I just bought an a6 2.0 T TFSI about 6 months ago with 160 miles on the dash . First day i got it i was doing about 130 kmh and the car just cut out and I have been driving it for 6 months and it got worse and worse it would stall every 10 mins and I would have 2 want about 2 to 3 mins 4 it to stalls back up again. I got rough idle tpms trans stability lights on dash the fuel works Thank God 4 this guys video
Just to say thank you. I have a 2013 A6 2.0 Tdi that displayed the same faults as you commented. I replaced the same relay and the car turns over every time.
Nothing old fashioned about your way . Simply check the easiest first and the tap and pull method . You know what you are doing . For me this is a great video . Not overcomplicate things and use common sense
Im going through this right now with my 2014 audi rs6, symptoms are mirror of what you have shown here. My car is in with audi specialist on tuesday. Hoping the guys are somewhere near your standard. Great work 👍👍
I have heard of this problem with relay for fuel pump. I have Skoda superb mk1 1.9Tdi with no com's to Ecu car will start will not start when hot. Think relay is 219 fuel pump I have scanned with VCDS. I will check this again tomorrow. Thanks mate for your useful video.👍
simular problem with my '05 A6 3.0Tdi. had sunroof leak, can't get it to start normally, replaced starter motor, no changes, hope some grounding issue, maybe will try to trace everything back in the floor. or again under the steering column. :(
I replace a module on my 2012 a6 3.0, now I’m having issues with starting the car and when it’s starts I can’t drive far because it’s cuts off . When try to start again it won’t start or turn over . Everything comes on now but the car won’t crank or turn over only the radio and lights come on but won’t start . But just as this audi I was also having fault codes on do you think it’s the same problem here for my car ?
I replace a module on my 2012 a6 3.0, now I’m having issues with starting the car and when it’s starts I can’t drive far because it’s cuts off . When try to start again it won’t start or turn over . Everything comes on now but the car won’t crank or turn over only the radio and lights come on but won’t start
Thank you for the video….I have a 2012 Audi A6 2.0t 120k miles….it would turn off while driving then it got worst….I would tap the relay and it would turn off…easy fix $30
good evening! I have a problem with an Audi a6 c7 year 2014 2l TDI problem the car starts but my console doesn't work, the air conditioner rain wipers in short nothing on the dashboard works! and on my tester there are many errors! specify when I put the fuse in the socket in the trunk burns!thank you
If you have a fuse that blows, you need to start by finding what is the cause of that... could be a short, a bad module somewhere... But you need to find that... The console not working, might be related to that, so tackle that first... 👍👍👍
I’m having the same problems my will crank sometimes but no start I’m getting all the way warning tire pressure brakes traction control as well etc so it’s it is the 645 and 646
What about checking the basics before start to replace parts? Like wiring, connectors, fuses, etc... As can see, throwing parts at it, can become expensive very quickly... Good luck... 👍👍👍
Where about are you and how can i contact you ! I ve got something similar on an audi a5 2008 and i cannot find someone to help me with this problem . Thank you !
My friend I have a same issue but my error it's P0101 not communications TCU it's the same relay? I take out tested and maybe can work fine... Tomorrow I can will buy... Or what other relay need to check with my TCU (gearbox) to fix this situation?
Hi Not sure what else that relay powers up without checking diagrams... Best way, is, check diagrams and see what or where the powers and grounds for the tcu comes from... CAN line are the next thing to check, if the powers and grounds are ok at the TCU multiplug... 👍👍👍
I have a 2011 Audi 2.0 and it’s saying no communication to pcm ecm I’ve bought throttle body MAF coil packs… the reason is sometimes it’ll start sometimes it doesn’t you think it’s a relay ?
Hello, it seems I have very similar issue, lots of errors on dash, cannot change gears, no communication with TCM. Only difference is that car starts and shuts down immediately. How do I know if relay is bad?
Just an update. I have replaced the relay and it worked! For a day... next day in the morning I had the same issue again. Any idea what could be causing this?
I would say, was probably not the relay, but something in the area that you have touch or moved while changing the relay... check connections etc in there...
great video great efforts bro ... I need ur help with my A6 C7 2013 ... can't locate the internal relays as my fans aren't working ... both radiator and AC ... fuses are ok and no fault code found ... thanks in advance
Without engine type is difficult to tell... But, I would guess that that would have a mode somewhere near the fans, that is controlled most likely via LIN bus by the engine ecu... Thank you for watching!
Please what relay was this? What is it called in the book. I am looking looking for a very similar issue in my 18 ttrs. No comms.. I think it's a relay but I have not found which one it is yet
I have an A6 C7 aswell but with the V6 Petrol engine. I habe checked it and saw that it has several 645 Relays also someone mentioned to check the 645 Relay under the steering wheel. Do you have an idea which one to replace?
I got TPMS / ABS / ESP / Air Suspension / Parking Brake Fault errors then took my car to a local garage who cleaned the abs sensors and dried them which made the errors go away only to return back in 2-3 days. Since then it has been on and off they would appear and disappear. When I have these errors the air suspension would tighten up and lock so the car would get very bouncy and stiff. (kinda convinced it has to do with some connection or dirt issue) please do help what will be the issue😔
Hi just wonderimg if you come across a 2013 audi a6 with no ignition or dashboard working , doors not open , no power to anything inside car apart from stereo working and parking brake warning light on dashboard
Hi ,i probably have the same problem ,car starts and if stopped second timw would not start ,and its shows TMPS ,PARKING BRAKE ,TYRE PRESSURES ,GEARBOX MALFUNCTION ,if i whait about 10 minutes will start again and its shows me stabilisiation fault and start stop ,i have been to few mecanics and they couldnt find anything ,do you think is gonna be the same on my situation ? Kind regards
hi have you solved the problem? im having same exact issue and dont know where to start as mechanicss are not helping please share if you solved thanks
Scan it... see if there is any faults that point you in the right direction... Might worth analize live data during that first start... Thank you for watching!
Hey I have an issue with my a6 c7, basically when theres some in the back seat or somthing heavy on there all the lights on the dash come on. Traction,tire,auto brakes go off an start stop goes off. When i reset it after a few mins they all go away. Only happens when something heavy on back seats or sometimes in boot. Any ideas? Other then that the car drives perfect
@@LMAutoRepairs hey thanx for the reply. Yes I've scanned the car, got few codes come up, some I can kinda understand an most I've tryed to research but still dont understand . Is there anyway I could show you?
I have big problem Audi a6 c7 2013 2,0tdi I have changed the starter motor then the car started 2 times now it is dead again what could it be can someone help me. no error codes
Hey there i have one question I have audi q7 3.0 2011 model Recently serviced and battery changed after few days car was unable to get motion once brakes were lifted Unless we hit the accelerator till 1500rpm then the car moves with a jerk And a engine and heater light blink once for fraction of a second And now rpm dips when hit the gas paddle in idel rpm with the same engine and heater light just for a fraction of the second Now car is with the service center for 2 weeks now with no fault code Please help 🙏
Live data... Check live data... your answer will most likely be there... Visual inspect everything obviously... Two things, is the car automatic correct? Was the gear box oil also changed? Thank you for watching!
Hi.. I have a Audi A6 2013 model c7.. 2.0 tdi... I have the the TPMS.. ESC.... STOP START LIGHTS COMING IN MY DASH.. SOMETIMES IT CAN BE RESET BUT SOMETIMES NOT.. PLS ADVICE ME WHAT TO LOOK FOR.. THANKS
@@niezamdada7827 Hmmm not good mate hope you can sort out asap mine sometimes drive fine for even 20/30 miles an suddently goes mad and other times wont even let me do 5 miles lets see ..thanks dor your help mate i m surrently going to see the mechanic
hi...i have some problem with CAN...îs an Audi a6 c6 year 2010 car.....i have no comunicațional with CAN and generator and batery module .....eror j533....have any idea were to look?thank you🍻
Start by checking fuses etc... If all that good, go to the module and check powers and grounds there, if all good, check communication lines, if all good, could be a bad module... 👍👍👍
Hi , i have exact same issues on my 2013 A6 2.0 Gas. I checked all relays like shows on the video but still nothing. I have all lights, esc ,tpms, transmission parking brake etc on the dash. No crack and no communication. Any idea what might be wrong with it? Can it be the starter ? I appreciate your answer
hi skerdi have you managed to solve the issue as my car is doing the same exact thing …it start and after 10 sec does what you saying please help me thank you will really appreciate
Hi Rizwan, I ended up taking it to the dealer and they found was one of the wires going to the ECU was cutted. I recomend strip the insulation of the wires going to the ECU as much as you can and check all the relays. There are relays where the ECU is located , under the stering wheel location and trunk right side. Hope you find the issue.
@@skerdigega6705 Hey thanks for the promp reply am really stressed about this as the electrician wa getting mad with it, i will try & ask him to strip the wires it should help. All the best mate!
Where are you based, I’ve got the exact same symptoms on a audi a7 2011 quattro 245hp, aa recovery came today and same thing could not communicate with the ecu, do you think it might be relay instead of a dead ecu?? I live in luton by the way, I would gladly pay out a quick visit and diagnose
Hi mate ! I have the same issue with my Audi A6 2017 but the engine starts good. But the errors comes ABS,ESP,AIR BAG,hand brake,tyre presure and audi adaptive light. Can it be a relay failure ? Please answer me as im desperate. The mechanic put the tester and gave ABS pump and after right front ABS sensor malfunction… ive change that and no result. Thank you !
@@LMAutoRepairs comes along with the parking brake,hold assist,audi adaptive light,start/stop . C101B14 wheel speed sensor front right Open/short circuit to ground. Ive change the abs sensor and nothing…and today ive change the Ball bearing wheel front right as a “mechanic” said is that part thats why doesnt have a connection… and ive change that also… and no result. Im desperate as i dont know how to fix this problem that i have. Can you tell me about the codes ? Maybe you know what is going on 😶😒 thank you mate
Hi, i have checked the power and ground to the ecu with test light and it does have power but still no communication to the ecu, should i checked the relays or this is enough to ruled them out?
@@LMAutoRepairs yes there are 5 power wires and 3 ground wires from the ECU T94 slot. Today I have bench tested them relays too, and it clicks normally. All fuses are intact. I have no idea what to check next
@@LMAutoRepairs big thank you for keeping up with me sir. I have measured the load side and the pin out from the ECU including ground, it's reading at 12.4V so i guess this has got to be a fried ECU then. I have not tested the K-line from the ECU since i dont have the tools to do so.
@@LMAutoRepairs oh and i forgot to mention, this test was done on a 2012 VW Golf R with only 67000km on the clock and no tune, i am quite frustrated at this point and not sure why this would happen out of sudden. Prior to new year i was driving the car normally when suddenly it shut down leaving me stranded in the middle of the road. I have to push the car to the side just to be safe. I no longer cant start the car, no CEL when i twist the key to ign, but the CEL only lit a mere 3 second after that with the fans running at max. Crank but no start, and the fuel pump didnt prime like it used to. I only drive the car once every weekend, my bet is probably low voltage.
I have Audi A6 C7 2012 error code u011500 lost communication ECM/PCM B and U020900 lost communication seat control module B and u101400 control module corectly coded I have measured all fuses and checked all relays I cannot find the error can anyone help
@@LMAutoRepairs Here is also the error code u101400 controlmodulelcoreectlycoded, I don't know exactly where they are stored, should I reset it and disconnect the battery?
@@LMAutoRepairs the worst place for fuse box and relays... germans ar crazy nowadays... I got audi a4 with faulty ECU, gues what... all ECU was coroded, because of water around... drains was blocked by shit... imagine when it is winter and water freezes, it damages sealant and U have disaster. German engineeering...
@@LMAutoRepairs Audi of Dallas ecm is under extended warranty 2 they refused to fix it could not articulate what was actually wrong with the harness and tried to charge me 1800$ for a diagnostic that we never gave consent for
I just bought an a6 2.0 T TFSI about 6 months ago with 160 miles on the dash . First day i got it i was doing about 130 kmh and the car just cut out and I have been driving it for 6 months and it got worse and worse it would stall every 10 mins and I would have 2 want about 2 to 3 mins 4 it to stalls back up again. I got rough idle tpms trans stability lights on dash the fuel works Thank God 4 this guys video
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Just to say thank you. I have a 2013 A6 2.0 Tdi that displayed the same faults as you commented. I replaced the same relay and the car turns over every time.
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That's great!
Thank you for watching and for your feedback!
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What relay should be change?
I'm pretty sure I have showed it on the video...
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Nothing old fashioned about your way . Simply check the easiest first and the tap and pull method . You know what you are doing . For me this is a great video . Not overcomplicate things and use common sense
😊
Thanks!
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This man is great saved me so much time and money in the past 👍
😊
That's great!
Thank you for watching and for your comment!
Im going through this right now with my 2014 audi rs6, symptoms are mirror of what you have shown here. My car is in with audi specialist on tuesday. Hoping the guys are somewhere near your standard. Great work 👍👍
😊
Thanks, hope you get yours sorted...
Thank you for watching and for your comment!
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Hey did you get issue resolved?? It’s my turn now 2010 Audi s5 same issue no start they told me it would be 3000 fix - for a new ecu
do you have any updates?
@@hungder it was the ecu I had it replaced car start and everything been fine since
Got the exact same issue on an Audi Q7 U0100 code won’t crank. Thanks this is a great starting point.
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Amazing very fast diag👍
"Simple is that😉" (like you said) for a Master Tech like you👍
Stay Safe❤
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Thanks!
Fast and efficient diagnosis good job
Thanks!
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good ole vw/audi relays... engine main relays are a common fault... thanks for sharing
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Thank you for watching!
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Yes badics first..i think ECU was on and energising the relay coil but contacts were bad..right.
That's correct!...
Thank you for watching and for your comment!
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Excellent video. Some clues about it acting up earlier was helpful too. I always learn from your videos. Thanks for the video.
Absolutely... most of the times the details and the full story are extremely important...
Thank you for watching and for your comment!
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Nice one! Enjoy your videos. Its like a detective story; who dunnit or more precisely the story to find the problem.
Thanks!
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I have heard of this problem with relay for fuel pump. I have Skoda superb mk1 1.9Tdi with no com's to Ecu car will start will not start when hot. Think relay is 219 fuel pump I have scanned with VCDS. I will check this again tomorrow. Thanks mate for your useful video.👍
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Hope you find your issue...🤞
Thank you for watching and for your comment!
I'm sorry, have same problem, what was the problem?
Tnx
As one could say, start always by trivial things. thanks for sharing.
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Thank you for watching!
Always learning from you mate ... take care
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Thanks!
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Please teach me more master. :D You rule! I just got my client's audi running thanks to your video. Want your share? :)
That's great!
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So it was faulty relay good diagnosis keep up the good work
Yes it was!
Thank you for watching and for your comment!
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LM Auto Repairs keep watching your videos your so helpful
My RS6 2014 had same symptoms but it was the thick red wire loose at the back of relays great advice though thanks
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Thanks...
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Thank you very much for your help. same problem on A4 8K0 2012. thanks for the help.
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Not a problem...
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thanks for sharing, it's good not to forget the easy things
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The other 457 multirelay is for the glow plugs.
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Thanks!
simular problem with my '05 A6 3.0Tdi. had sunroof leak, can't get it to start normally, replaced starter motor, no changes, hope some grounding issue, maybe will try to trace everything back in the floor. or again under the steering column. :(
I replace a module on my 2012 a6 3.0, now I’m having issues with starting the car and when it’s starts I can’t drive far because it’s cuts off . When try to start again it won’t start or turn over . Everything comes on now but the car won’t crank or turn over only the radio and lights come on but won’t start . But just as this audi I was also having fault codes on do you think it’s the same problem here for my car ?
I replace a module on my 2012 a6 3.0, now I’m having issues with starting the car and when it’s starts I can’t drive far because it’s cuts off . When try to start again it won’t start or turn over . Everything comes on now but the car won’t crank or turn over only the radio and lights come on but won’t start
Thank you! This video solve my problems on my A5.
That's great!
Thank you for the feedback!
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what codes were u getting if u remember?
Yea my engine control module is not ready some of the computer so i told my mechanic to check the fuses and it could be a simple relay 👍🏼
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Good informative videos back to back I enjoyed and learning more from it
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Thanks!
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Thank you for the video….I have a 2012 Audi A6 2.0t 120k miles….it would turn off while driving then it got worst….I would tap the relay and it would turn off…easy fix $30
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good evening! I have a problem with an Audi a6 c7 year 2014 2l TDI problem the car starts but my console doesn't work, the air conditioner rain wipers in short nothing on the dashboard works! and on my tester there are many errors! specify when I put the fuse in the socket in the trunk burns!thank you
If you have a fuse that blows, you need to start by finding what is the cause of that... could be a short, a bad module somewhere...
But you need to find that...
The console not working, might be related to that, so tackle that first...
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Brilliant work as usual and thank you for sharing with us.
Regards Jay
Not a problem!...
Thank you for watching and for your comment!
Hello my friend l just had tank multi function fault on dashboard and fuel.level is not working what do you think is the problem is it sensors?
I’m having the same problems my will crank sometimes but no start I’m getting all the way warning tire pressure brakes traction control as well etc so it’s it is the 645 and 646
Worth checking... definitely!
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I have lost communication TCM
2007 Audi Q7 3.6L,change the whole transmission,still sesame code,now thinking of changing the ECU
What about checking the basics before start to replace parts?
Like wiring, connectors, fuses, etc...
As can see, throwing parts at it, can become expensive very quickly...
Good luck...
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Where about are you and how can i contact you !
I ve got something similar on an audi a5 2008 and i cannot find someone to help me with this problem .
Thank you !
Always excellent
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Is that any problem for checking power and ground using multimeter with the coupler is connected to ecm
Same problem on my 2007 Audi a8 4.2 fans are on same light on dash but wont crank over. You think its the relays as well?
It is a possibility...
Start by checking fuses, powers and grounds...
Thank you for watching!
My friend I have a same issue but my error it's P0101 not communications TCU it's the same relay? I take out tested and maybe can work fine... Tomorrow I can will buy... Or what other relay need to check with my TCU (gearbox) to fix this situation?
Hi
Not sure what else that relay powers up without checking diagrams...
Best way, is, check diagrams and see what or where the powers and grounds for the tcu comes from... CAN line are the next thing to check, if the powers and grounds are ok at the TCU multiplug...
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check engine light was missing on the dash when no com?
Can't remember now...
Sorry...
Thank you for watching!
I have a 2011 Audi 2.0 and it’s saying no communication to pcm ecm I’ve bought throttle body MAF coil packs… the reason is sometimes it’ll start sometimes it doesn’t you think it’s a relay ?
Could be...
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Wow, I have a 2015 Audi Q7 TDI , the dealership did they repaired now facing similar issue. What module was replaced ?
Module replaced?
No module was replaced here...
Hello, it seems I have very similar issue, lots of errors on dash, cannot change gears, no communication with TCM. Only difference is that car starts and shuts down immediately. How do I know if relay is bad?
If you are getting similar results as the ones I was getting on the video...
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Just an update. I have replaced the relay and it worked! For a day... next day in the morning I had the same issue again. Any idea what could be causing this?
I would say, was probably not the relay, but something in the area that you have touch or moved while changing the relay... check connections etc in there...
Very good at explaining well done 👍
Thanks!
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great video great efforts bro ... I need ur help with my A6 C7 2013 ... can't locate the internal relays as my fans aren't working ... both radiator and AC ... fuses are ok and no fault code found ... thanks in advance
Without engine type is difficult to tell...
But, I would guess that that would have a mode somewhere near the fans, that is controlled most likely via LIN bus by the engine ecu...
Thank you for watching!
Please what relay was this? What is it called in the book. I am looking looking for a very similar issue in my 18 ttrs. No comms.. I think it's a relay but I have not found which one it is yet
Good Diag Luis
Thanks Ian!
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Tanks voor het good werk 👍👍👍
Thanks!
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I have an A6 C7 aswell but with the V6 Petrol engine. I habe checked it and saw that it has several 645 Relays also someone mentioned to check the 645 Relay under the steering wheel. Do you have an idea which one to replace?
Test them... if they are all good, no need to replace... your issue will might be elsewhere...
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I got TPMS / ABS / ESP / Air Suspension / Parking Brake Fault errors then took my car to a local garage who cleaned the abs sensors and dried them which made the errors go away only to return back in 2-3 days. Since then it has been on and off they would appear and disappear. When I have these errors the air suspension would tighten up and lock so the car would get very bouncy and stiff. (kinda convinced it has to do with some connection or dirt issue) please do help what will be the issue😔
Hi just wonderimg if you come across a 2013 audi a6 with no ignition or dashboard working , doors not open , no power to anything inside car apart from stereo working and parking brake warning light on dashboard
No...
But, start with the basics... fuses, grounds, etc...
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Neil - how did you get on? My audi a6 c6 2010 has same issue as your but doors open
Good videos as usual, Thank you👌
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Thanks!
Thank you for another great video!!!
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Thanks!
For watching and for your comment!
Hi ,i probably have the same problem ,car starts and if stopped second timw would not start ,and its shows TMPS ,PARKING BRAKE ,TYRE PRESSURES ,GEARBOX MALFUNCTION ,if i whait about 10 minutes will start again and its shows me stabilisiation fault and start stop ,i have been to few mecanics and they couldnt find anything ,do you think is gonna be the same on my situation ? Kind regards
Impossible to say...
Check it and go from there...
Thank you for watching!
hi have you solved the problem? im having same exact issue and dont know where to start as mechanicss are not helping please share if you solved thanks
Also have same problem exactly, anyone fixed it?
That was good one 👍👍
Thanks!
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Saved my time,👍😜
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Good job👌
thanks for share your videos 👍
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No worries...
Thank you for watching and for your comment!
Great video! Thanks for advice
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Thanks!
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Hi my car start very hard in the morning .I have Audi A6 2015 TDI. I changed the relay and still start hard. Any advice?
Scan it... see if there is any faults that point you in the right direction...
Might worth analize live data during that first start...
Thank you for watching!
Hey I have an issue with my a6 c7, basically when theres some in the back seat or somthing heavy on there all the lights on the dash come on.
Traction,tire,auto brakes go off an start stop goes off.
When i reset it after a few mins they all go away.
Only happens when something heavy on back seats or sometimes in boot.
Any ideas? Other then that the car drives perfect
Have you scanned the car?
That would be the first thing I would do...
It might be that could be a wire breaking somewhere... just a guess...
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@@LMAutoRepairs hey thanx for the reply.
Yes I've scanned the car, got few codes come up, some I can kinda understand an most I've tryed to research but still dont understand .
Is there anyway I could show you?
I have big problem Audi a6 c7 2013 2,0tdi
I have changed the starter motor then the car started 2 times now it is dead again what could it be can someone help me. no error codes
Hey there i have one question
I have audi q7 3.0 2011 model
Recently serviced and battery changed
after few days car was unable to get motion once brakes were lifted
Unless we hit the accelerator till 1500rpm then the car moves with a jerk
And a engine and heater light blink once for fraction of a second
And now rpm dips when hit the gas paddle in idel rpm with the same engine and heater light just for a fraction of the second
Now car is with the service center for 2 weeks now with no fault code
Please help 🙏
Live data...
Check live data... your answer will most likely be there...
Visual inspect everything obviously...
Two things, is the car automatic correct?
Was the gear box oil also changed?
Thank you for watching!
@@LMAutoRepairs yes the car is auto
And no gearbox oil is not been change
And once I unplugge EGR EVERYTHING IS FINE CAR DOSENT DIP
Why you never mentioned that about the egr in first place?
So you know is egr related... inspect that then...
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P161200 Engine Control Module ECM incorrect coding
is this code related to the relay?
Audi A6 Tdi wont crank and start
Does not look like...
Thank you for watching!
Super 👌
Thank you!
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I got error code U100 no communication with ECM. Everything works and cranks but no start. (Q7 2011 3.0 gas) Could be relays as well??
Possibly... check fuses and obviously relays... check power and grounds at the ecu plug...
Thank you for watching!
Hi, nice work, where are you based want to bring my car to you, almost same issue
Thanks!
I do this as a part time... and I am busy with other things at the moment... sorry...
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I have U040100 code it send to your video Sir. Any chance to do same procedure to start engine? Thanks
Is the power steering fuse included with this kit???
Hi.. I have a Audi A6 2013 model c7.. 2.0 tdi... I have the the TPMS.. ESC.... STOP START LIGHTS COMING IN MY DASH.. SOMETIMES IT CAN BE RESET BUT SOMETIMES NOT.. PLS ADVICE ME WHAT TO LOOK FOR.. THANKS
have you solved? im having the same nightmare ..please reply if you hve fixed tha ks
@@rizwanhussain8413.. Hi.. I've taken the vehicle to Audi.. And it's costing me alot
@@niezamdada7827 what is their diagnosis?
@@rizwanhussain8413.. Apparently there is a control moduel under the console of the gearlever.. Which is not corresponding with the other modules
@@niezamdada7827 Hmmm not good mate hope you can sort out asap mine sometimes drive fine for even 20/30 miles an suddently goes mad and other times wont even let me do 5 miles lets see ..thanks dor your help mate i m surrently going to see the mechanic
hi...i have some problem with CAN...îs an Audi a6 c6 year 2010 car.....i have no comunicațional with CAN and generator and batery module .....eror j533....have any idea were to look?thank you🍻
Start by checking fuses etc...
If all that good, go to the module and check powers and grounds there, if all good, check communication lines, if all good, could be a bad module...
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Hi , i have exact same issues on my 2013 A6 2.0 Gas. I checked all relays like shows on the video but still nothing. I have all lights, esc ,tpms, transmission parking brake etc on the dash. No crack and no communication. Any idea what might be wrong with it? Can it be the starter ? I appreciate your answer
Doubt the starter... if you have no comms...
Check power and grounds, can lines etc...
Thank you for watching!
hi skerdi have you managed to solve the issue as my car is doing the same exact thing …it start and after 10 sec does what you saying please help me thank you will really appreciate
Hi Rizwan, I ended up taking it to the dealer and they found was one of the wires going to the ECU was cutted.
I recomend strip the insulation of the wires going to the ECU as much as you can and check all the relays.
There are relays where the ECU is located , under the stering wheel location and trunk right side.
Hope you find the issue.
@@skerdigega6705 Hey thanks for the promp reply am really stressed about this as the electrician wa getting mad with it, i will try & ask him to strip the wires it should help. All the best mate!
@@rizwanhussain8413 Good Luck!
my car randomly just shuts off without any reason.
ECU shows no error message but the TCU gave me these:
U010000
U40100
Could this be a Similar case?
Difficult to tell... "U" codes are usually communication related... a shorted CAN can definitely cause all sort of problems...
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Where are you based, I’ve got the exact same symptoms on a audi a7 2011 quattro 245hp, aa recovery came today and same thing could not communicate with the ecu, do you think it might be relay instead of a dead ecu??
I live in luton by the way, I would gladly pay out a quick visit and diagnose
I am quite far anyway...
Yes, there is a possibility of being the relay or some other power or ground failure...
Thank you for watching!
Hello sir .. would u like to help me with P150A00 ..Audi A6 3.0 Quattro...engine off timer performance ..any help
Hi mate ! I have the same issue with my Audi A6 2017 but the engine starts good. But the errors comes ABS,ESP,AIR BAG,hand brake,tyre presure and audi adaptive light. Can it be a relay failure ? Please answer me as im desperate.
The mechanic put the tester and gave ABS pump and after right front ABS sensor malfunction… ive change that and no result. Thank you !
Check wiring etc... before start changing parts...
What is the error on the Airbag?
@@LMAutoRepairs comes along with the parking brake,hold assist,audi adaptive light,start/stop . C101B14 wheel speed sensor front right Open/short circuit to ground. Ive change the abs sensor and nothing…and today ive change the Ball bearing wheel front right as a “mechanic” said is that part thats why doesnt have a connection… and ive change that also… and no result. Im desperate as i dont know how to fix this problem that i have. Can you tell me about the codes ? Maybe you know what is going on 😶😒 thank you mate
Without checking it is difficult to say...
I would possibly focus on the wheel speed sensor...
Check/measure wiring from the sensor to the ABS unit...
@@LMAutoRepairs i manage to resolve the issue. Was a wire 😞 but happy that i resolve the problem 👍🏼🤝
@@bogdan9620
Well done!
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Good job 👍
Thanks!
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Nice and easy 👍👍
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I have problem with my audi a 6 c7 2011 2.0 tdi
No ignition no start its says key not recognised
Either key, or key reader... I would say...
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So the 645 was burnt or the others?
3:00
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It's very good
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Thanks!
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God work!
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Thanks!
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ECM/PCM Power Relay De-Energized Performance - Too Early can you help me with this code it's for VW golf 2010
Good job
Thank you!
My respect ✊ thanks bro
😊
Thanks!
Yes it was easy but easy for you , one can work on this repair for days and nights ...
Great video!
Which relay did you actually replace?
I have clearly explained in the video...
Thank you for watching!
@@LMAutoRepairs Was it the 644?
@@zebvalli3430
I can't remember...
Again I showed it on the video...
Watch the video and you will know which one was..
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@@LMAutoRepairs Thank you. I should pay more attention. :)
@@zebvalli3430
😉
Ty broo❤
Hi can i change relay without conecting to computer ?
You don't need to connect anything to change the relay...
Not sure I understood the question...🤔
Thank you for watching.
@@LMAutoRepairs thank you! Your video was very helpful. I have same car with same issue it’s. Hope that will solve my problem.
🤞
Just remember, that same symptoms doe not necessarily means that the cause is the same...
But try it, and see how it goes...
@@LMAutoRepairs where is your garage?
IT WORKS !!!! Thank you for that video again !!!
Haveing the same problem with my Audi s5
How can I find him
Find who?
Hi, i have checked the power and ground to the ecu with test light and it does have power but still no communication to the ecu, should i checked the relays or this is enough to ruled them out?
There is more than one "power" wire into the ecu...
Have you checked them all?
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@@LMAutoRepairs yes there are 5 power wires and 3 ground wires from the ECU T94 slot. Today I have bench tested them relays too, and it clicks normally. All fuses are intact. I have no idea what to check next
The click of the relays, only shows that the solenoid is working... you need to measure the load side when the relay is closed..
@@LMAutoRepairs big thank you for keeping up with me sir. I have measured the load side and the pin out from the ECU including ground, it's reading at 12.4V so i guess this has got to be a fried ECU then. I have not tested the K-line from the ECU since i dont have the tools to do so.
@@LMAutoRepairs oh and i forgot to mention, this test was done on a 2012 VW Golf R with only 67000km on the clock and no tune, i am quite frustrated at this point and not sure why this would happen out of sudden. Prior to new year i was driving the car normally when suddenly it shut down leaving me stranded in the middle of the road. I have to push the car to the side just to be safe. I no longer cant start the car, no CEL when i twist the key to ign, but the CEL only lit a mere 3 second after that with the fans running at max. Crank but no start, and the fuel pump didnt prime like it used to. I only drive the car once every weekend, my bet is probably low voltage.
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Thanks!
I have Audi A6 C7 2012 error code u011500 lost communication ECM/PCM B and U020900 lost communication seat control module B and u101400 control module corectly coded I have measured all fuses and checked all relays I cannot find the error can anyone help
I am guessing you have no communications with the engine ecu, correct?
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@@LMAutoRepairs yes that may be good, I don't think the problem is relays are good and wiring is good
On which module are those codes stored?
@@LMAutoRepairs Here is also the error code u101400 controlmodulelcoreectlycoded, I don't know exactly where they are stored, should I reset it and disconnect the battery?
I would focus on coding the module first...
Disconnect the battery will most likely make no difference... but you have nothing to loose...
Where you based
Where you based ??
Thanks
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645?
what caused the relay to burn out?
Wear and tear I would guess...
Thank you for watching!
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Time is running fast ...
Ohh those crap german cars... Good videos as usuall!
LoL
Thanks!
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@@LMAutoRepairs the worst place for fuse box and relays... germans ar crazy nowadays... I got audi a4 with faulty ECU, gues what... all ECU was coroded, because of water around... drains was blocked by shit... imagine when it is winter and water freezes, it damages sealant and U have disaster. German engineeering...
@@alonze2005
Yes...
Unfortunately there is a few other that suffer from the same sort of issue...
😔
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Thanks!
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Audi shop just tried to charge me 10k for and engine harness lol
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That's crazy... don't know where they pull those prices from...
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@@LMAutoRepairs Audi of Dallas ecm is under extended warranty 2 they refused to fix it could not articulate what was actually wrong with the harness and tried to charge me 1800$ for a diagnostic that we never gave consent for
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