Dodge Intrepid - No Start, No Crank, No Communication
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- เผยแพร่เมื่อ 5 ต.ค. 2024
- Let's have a look at this 1998 Dodge Intrepid ES 3.2l V-6 that was towed in for a no start, no crank. Assuming it may be just a simple starter I did not bust out the camera right away but I soon discovered the security light was on. So join me as we have a look into this car to find it is a no communication issue from module to module on the Chrysler PCI BUS however we can still talk to the ECM!? Sounds like fun right!?
OTC (3415) CAN Test Box - Breakout Box and Protocol Detector: amzn.to/2qtpviQ
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--Eric O.
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Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair.
Man, I so much admire you for your diagnostics. This is exactly what 99% of shops lack. If something is not immediately relevant, they just ship you down the road to another shop.
MJR Performance That's the truth. I own my shop and people don't understand the time involved in diagnostics or the money in good equipment. so many repairs take longer to diagnose than the actual fix. hit someone up for 4 hrs on diag time for a 15 min repair and your a crook, that's why shops punt cars.
I had one of these cars for about 8 years, when you said you had to find the bcm I literally laughed out loud! Have to lay on your back with your head under the dash to get at it. Love the channel!
Piece of cake: combine years of experience with thousands of $ for test gear, and you can locate these crazy problems, Great work!
This kind of knowledge is the best knowledge, constantly wanting to improve the quality of your work, always determined to sharpen your skills more and more. Usually people loose interest after years of working on vehicles. Such a positive turn to the video when you say you are open to critism, no room for hate in that comment haha. Keep up the great work, I watch your videos almost every day faithfully. Your the best on TH-cam!! Mrs O is always a pleasure to watch haha you both are a sensation on TH-cam, would like to see more collaboration with you both !
Thanks for all the amazing videos !
I bought a used Intrepid back in 2002 and loved the roominess inside,the ride quality, the looks, and fuel economy ! It is amazing that one has over 300K on it!
Definitely a very very thorough diagnosis. Im a Chrysler certified tech at a dealer currently and you my friend have more stuff up in your noodle about electrically diag than anyone I’ve truthfully ever seen.
Man, you're killing it, Eric! Having a new video every day is such a nice treat.
He sure is good to us that's for sure.
how about a SMAs frequency of videos of late!!!! keep it up eric
John Young, he's on a roll. 👍
yup eric o is bout that daily upload life!
Does anyone know if this is the same for a '98 Dodge Intrepid 2.7L???
IT guy here that also does his own wrenching. I have been binge watching your videos. I am impressed with your troubleshooting ability with regards to the computer systems and related modules on these vehicles. It takes time but as you say gotta go slow to be fast. Truer words have never been spoken. I regularly train a team of help desk and project engineers and will definitely be using that phrase in the future.
The fact that you can remember acronyms and understand the basics of that vehicle's electronics is amazing. It gives you a direction in pretty short order. This video will surely help many people working on the same issue. Oh man, nice OTC tool. Sweet diagnosis.
I love it when the door/ phone chime goes off that is the sound of another potential great video !!!!!
Eric you blew it away with your expert troubleshooting skills. Great job.
Welcome to Eric O dodge channel.
Great diagnostic process, followed all the way through.
Eric O, the surgeon of automobiles. Love that new tool.
Lol Thanks!
What is up with the 18 bad thumbs down. Have respect for Eric will ya.
Only 64 3 years later! Not bad!
@southmainauto
Your diagnostic skills are absolutely fantastic Eric, I wish I had some of those .......
Thanks for the best repair site on the tube! Never a dull moment
Their truly is a God in heaven, 3 videos in one week. We are all blessed.
Holy crap 1 everyday wow!
Like a mad man!
South Main Auto Repair You are on fire!
As you asked so nicely. I would have unplugged the ECM once i had seen communication on that wire under the bonnet, to see if the comms trace was going in or coming out of the ECM. Had i seen evidence of comms on the scope, i would have unplugged the BCM, noted the scope trace, then reconnected the ECM
This would have established wiring integrity between the BCM and the ECM, and that communication was only coming from the BCM.
For the home mechanic without a dual trace scope, an LED test lamp would suffice to see comms between the modules. Greetings from England. Learned a lot from your videos. So thanks for that😁
love watching a man at work ! like the way you approach electrical problems and the way you break them down !
Eric, kudos to you for being the master of vehicle IT. You are more than a mechanic. In fact a program analyst. Your videos involve so much centralized data, not many mainstream mechanics could handle. I am always impressed by your ability...And a bit ashamed to admit you have more knowledge then my mechanic, who is always good. Long time viewer and always learning. Thanks.
The wizard of diagnostics
Amazing, so much to know, as well as having the right tools, including the wiring diagrams, and understanding how different companies 'wire' their systems. A bit mind boggling for me yet at the same time very simple and basic. Thanks for sharing.
I like working on my own car here and there,but doing for a living? Cars are a pain in the ass!
every day is CHristmas at SMA
yep..I discovered Eric channel back when he had 200 subscribers..watched the first one...watched another...and subscribed so I would never miss one.
I have learned so much about the diagnostic process from he and Ivan ..and can now read with confidence a wiring diagram and figure out the flow of the electric pixies
before them it was just a bunch of lines on a paper :)
Yes sir, I remember when u subbed!! Thank You!
in the south there are still a lot of these running i am go glad you leave these old videos up wonderful information i often watch some of these just to refresh memory thanks again
3 minutes into this video i called a bad ECM. I have learned alot from watching your videos! Thank you Mr & Mrs O. & family!
Thanks so much for your hard work, I can tell you enjoy what you do and enjoy teaching and sharing your knowledge. you seem to be the go to guy when everyone else is stumped and gives up. " I can't figure it out send it over to Eric".
Eric, you just don't know how much I talk to you, I loved the 'how to rebuild a Dodge caravan from bumper to bumper' (lol) being as I have an 08 caravan as well
I appreciate your knowledge base and thorough approach
One brilliant individual
Need more real live auto mechanics like Eric
Would get way more out of my car with his advice.
I lament the diagnosis' that don't go to fruition (but perfectly understand that you don't always get the job). Great job Eric, thanks.
Eric, This is my favorite type of video, you finding the problem by testing. thank you for the video
FYI, easy to 'click' the LIKE button when viewing...HOWEVER, the 'Bell' icon for notification IS NOT available when watching on Roku TV connected devices. Perhaps you might mention to us viewers that this 'Bell' notification option must be done from our computers, because on my ROKU TV there is no 'Bell' for notifications.
Mine was a 1999 Red, 3.2L that drove me nuts until I replaced the PCM. The auto-stick tranny was really reliable in my experience and did well with just routine service.
Always informed and entertained! Great shows! Just share with viewers that if watching on ROKU or other TV such devices that to keep up-to-date with your show, they need to 'click the Bell' through their computer.
in Chrysler school they tell you to just pull the bus to ground at any suspect module or behind any suspect wiring to see if you can crash the bus. if so wiring is good. works quick, works good. also be careful what wires you cut or modules you unplug because a low resistance module or two is wired in parallel with all of the other high resistance modules to set the termination resistance
I love how you talk about cutting the wire between the two modules and checking to see which side is active. I've done that before a few times because it would have taken way too much time to get to each module. But I felt so guilty doing it! Even though I soldered them back nicely and used the adhesive double walled heat shrink. Makes me feel better that other reputable people have done it too!
G'day, Mr. O! Your on a roll! A new video every day is such a nice treat. By the way, I love it!! "There's your problem lady..." Thank you very much!
Cheers!
Nice sweet diagnosis Eric. RT oscillator transmitter failure. ECM PCI bus DOA. Enjoy watching your videos especially diagnostic videos and 78K subscribers is fantastic!! Videos every morning this week...awesome job Eric!
PCI BUS was DOA Yes sir!
Amazing how network problems can cause BIG problems. Most network codes I've seen are accompanied by "P or B" codes.
Fix them, the "U" codes are gone.
This one's definitely different.
Great Video! Hopefully, there's a follow-up.
I'm convinced that everything you love starts with D...Dodge, Doorman etc.
Bravo! Thanks for such an interesting case study. As a backyard hack, I'm in awe of your troubleshooting abilities.
Cool, a guy on TH-cam right outside Bath (Hammonsport NY), how cool is that.
That's great living in that part of the woods, Love that Keuka Lake, awesome.....
Mike Oneill not sure if...
The main reason I watch all of your videos. .. you're humble. Great diagnosis, and approach. I wouldn't of thought of going for the bcm connector. That's why I got you, lol thanks for the laughs
Thanks sir!
Thank you and outstanding Eric O! Due to my wife currently owning an RT of that same vintage! Awesome video!
Oh man sorry to hear that :( Haha jk'in Thanks!
Great diagnoisis, Eric! I was getting a little nervous when you were talking about cutting that comm wire, but then you did the 2-channel scope and unplug it test to find the source of the data stream. Brilliant!
Well I was gonna cut it but came up with plan B. Hope the lady wants to fix it so we can get closure :D
I wish I didn't find these no-comm videos so bewildering. When you and Keith describe these problems it sounds like a foreign language, and I don't really understand it at all. What I find most astonishing is the rabbit out of the hat success you guys have, which is ironically even more frustrating, ha ha.
love your way of checking powers and grounds at a module. my instructor always tells me to voltage drop the wire to battery ground or possitive... and to do it on the scope. so it's nice to learn some more simple ways to diagnose simple circuits.
Test light for the win. Twice as fast and just as accurate.
I'm liking your use of the cold open as of lately.
Amazing, I'm learning more and more all the time watching your videos. Thanks for passing on to us the knowledge and skill you have.
8:01 time of death - called by the famous Dr. O! Great diagnosis. If I still taught electronics techs at the Community College I'd make your videos like this one required viewing!
Oh wow that would be an honor!
This is gold! i would love to work alongside you any day! if you cant take something away from this video your just being a thick noodle lol that even goes for the most seasoned techs. the thought processes alone are point on and honest. so many similarities in direction when following along, then you take it to the next level every time! very sharp. im not ashamed to admit i strive to be at the same level and you do it with ease. some day :)
Would appear that your problem is going to be a communications fault within the ECM if I followed your diagnostics correctly. Very NICE on the diagnostics.
Yep you got it! ECM is shot.
Eric the car guy has openly said his channel is struggling...... well now he knows why with channels like this. thumbs up as always
This guy is more knowledgeable than Eric the Car Guy
Your top shelf I've been working on curse 30 years and you diagnosed that in the usual one hour diagnostic time that they give you at the shop I was thinking ECM myself although I would have done pretty much almost similar what you would have done only with the Power Probe to check power that way but I learned something thanks for your little trick
oh geez eric,it's 2:20 am California time.had to dig into the video. love the technical diagnosis vids...i secretly call you SCANNER O.keep up the good work. good night.
Javier Rocha That's some serious addiction there, wakin up in the middle of the night for a fix.
he's my favorite New Yorker...but Keith is gaining...
Javier Rocha i know, right. As a fellow californian always as i am getting ready to call it a night i get the notification. I can't pass up an SMA video. Sleep can wait.
GOTTA GET HIS ERIC O FIX AT 2 AM LOL
Keith is a real NY'er I am an upstater :)
Thorough diagnoses, Great mechanic. Great guy. Keep up the vids cheers
Another great one my friend. Your knowledge always impresses me. thanks!
You are a beast man! Awesome diag on this thing. Your knowledge of Chrysler is impressive, no one drives them here so I rarely see them.
Another nice one. Must say I really appreciate your productivity video wise. Any multi part project in the near future? Those are my favourites. Thx for sharing. ☺
Continue to be amazed at the two thumbs down. I guess they are the reason there are safety warnings on EVERYTHING!! Great work/video!!
Mr O you did a good approach
Oh Yeah Man - Covering Your Hole(s) is always a darn good idea and completely expected all around the globe...
Bloody Heck Eric you dont half put the hours in for us8.00pm get home to those kids man the car can wait till tomorrow.....Thanks ever so much for your time. thumbs up as always.
No time tomorrow that is why I had to stay late!
I just thought ide mention this i have a 1996 dodge es 3.5 l engine with only 1.21 on the odomoter and no money light. Also i own a 96 chevy tahoe no money light and its 5.7 l engine with a 1.23 on the odomoter both have origional steel brake likes with no rust on any parts of the cars. I anually undercoat with fluid film. It works like magic. Anyways i have both those cars in great dhape just thought ide mention. Keep it up mr.o
May is module month on TH-cam! Nice work Eric. I doubt that your diagnosis could be improved upon. Thanks!
Well thank you!
Thank you, thank you! You have a great way of doing the problem solving. Methodical and good video filming!
hey eric gotta say ive seen i think every one of your videos and learned some stuff from u gotta say thank u and u r awesome keep it up
Great week for SMA!! "can you smell it"? I almost spit out my coffee LOL. ALL kidding aside, be mindful of the hours you're not at home, you don't get them back. I learned yrs ago after working 12hr+ days 6days and sometimes more. Just saying
Oh I know. Some days I just need to work late is all
South Main Auto Repair & James Zivny... kind of lucky that the family can & do spend time at the shop. My daughter is now grown & sometimes I do regret all the hrs of having to wrk, being the sole provider. No choice, such is life. I just appreciate every moment spent with her, period. She comes on job sites with me now, which I'm so thankful for. Little by little learning of little of everything. Slowly wanting to learn more because she 'grabs' things more. Hopefully we'll continue like this for years to come.
Heartwarming!
I love my breakout box I got mine with my Pico scope kit. Makes it easy to hook up to network and find problems on the network
Oh man it sure does!
Great troubleshooting. With those kind of skills you could work on anything
I am sure Eric could learn to fix what I worked on because we had one auto tech in our electrical group who did great troubleshooting. Our units could be 20' wide by 600' long, have 270VDC & 480VAC 3 phase, plus PLCs (like PCM), magnetic amplifiers, motor operated rheostats, op amps, SCRs and ac & dc motors to 100HP. Eric is a great troubleshooter. From mine 29 years working electrical, I can saw just because Eric can do it does not mean "You" can!!
I'd junk that pile of junk myself. Just wish i could get you here to fix my van. Another dodge. 105,000 on it and it starts n bucks n kicks. Rebuilt about everything i can think of. Love your vids Eric, keep up the good work! If you ever get an 03 ram 1500 van with the 3.9 let me know!
Eric. Soon to celebrate 80,000 subscribers. Congratulations! Well deserved!
543,000 3 years later!
what a treat this week Eric
with 4 vids. thanks
Stay tuned :)
5
No comm's are my favorites videos to watch 😀 Greetings from Romania, keep up the good work !
They are my favorite to diag too
That's some great troubleshooting there. Most shops aren't fixing that problem.
Good job. I got a '93 that I can't let go, lol!
I see this is a old video but I am working on no com issues now - I have an OTC Bob just like yours and a 4 channel pico scope... I was looking at your procedure to determine which direction the com signal was coming from - I think after you pierced at the pcm you could have just unplugged or pulled the fuse on the BCM to see if the com signals were coming from the BCM or not. If the signal goes away you know three things - wire is good - BCM is good - PCM is bad.... nice video ....
Impressive diagnosis!
I’m doing a Citroen. With same code but I’ve got no comm bam,ecu so really interested.keepgoing Eric.
You Can Bus Slayer Bad PCM again Dam Intrepids Great info SMA Eric O
You're spoiling us Dr O lol you'll have to keep it up now!!
Your Audio.....For all the years I have watched every week your audio has always been excellent...Your in a noisy garage .....
Good to know!
Your ability to understand and troubleshoot these systems is outstanding. You should find a way to start a separate channel to run a periodic live broadcast on how to use this equipment to troubleshoot cars for both the DIY, and professional mechanic. It could be something that would be sponsored, or you can have an entry fee. I'm sure plenty of people would pay for your knowledge, I know I would. Have a great day.
Ohhh man no way, I am not a teacher haha I just fix cars is all
I understood most of what you were giving us. My problem is that I'm not sure how the wiring is "set up" (modules wired) so that they can "talk" to each other. That's my mission for this evening - dig up that information so I understand it better. I'm hanging in there Eric, har, har. Thanks.
I sometimes forget when watching these vids with all the troubleshooting, that this about vehicles, not computers. So much lingo which applies to both.
over 200k on a 1998 Dodge in New York state I'm impressed, I hope you got the job to get it running again..... and since she's there might as well get the inspection stuff fixed also.
Welll the inspection stuff is maybe why it will get junked :(
Super common on these old Chryslers. I have seen bad ecms causing the ac to malfunction.
It's Eric O. week on TH-cam! Hoping you get the job to replace the module...it'll be interesting to see how hard it'll be to actually find one. I see some Intrepids around town here in Rochester, so they're not all dead yet.
I can have one brand new the next day if she gives me the OK
Wow, for a 19 year old car? Hope it's not a Dorman. ;)
Like for Intrepid! LH2 for the win! :) holy crap, looks like Eric sits in my car
2:02 - The old Dodge Dynastys had a similar problem. If you had this problem you would simply lock the car, go to the driver's door, insert the key and unlock the car. Then the car would start. Usually meant the anti-theft module needed replacing.
Great job troubleshooting. My only question is how she got an Intrepid to stay running this long? It’s a miracle!
How about a link to follow up videos? I sometimes link to older germane videos, but watching your video today I realized how nice a time machine leap forward link would be, especially with a cliffhanger. I will be so proud if you execute my great idea. Man, I love these diagnosis videos. By the way, I did go back a year on your channel to see the ending, and she started on the first crank.
Your right, I missed the link on that one... Her ya go ;) th-cam.com/video/Ymm79nSkyds/w-d-xo.html
Gaining a ton of Chrysler experience.
My approach would be to bring it to you! LOL!!
i had the same problem on my dodge stratus 2000. it has manual windows and no control alarm i had to disconect the skim module on the key mount and use carb cleaner too make ir start. this repair videos are awsome hi from mexico👍
Glad you liked it!
As a field tech on specialized equipment, I don't work on equipment that I haven't been formally trained on. This guy, applies great troubleshooting techniques to solve problems. If he was on the west coast I'd have him work on my cars. He's methodical and great.
Man I would never get any thing done if I had to have training. Just have to shoot from the hip now and then and learn as I go
Killing it. Hope the owner got it fixed. At least it is diagnosed.
I would say you're doing an excellent job matter of fact you have helped me run my scanner much better that I ever have thank you so much for your help it's like being in school again thank you teacher
Fresh of the hook!! YAAHHH!!
I am surprised you didn't suspend the computer or the bcm to begin with. When I was spinning wrenches, I had an instructor that said a break in a wire connector would only happen if it corroded and broke, burned and broke, someone cut it or someone pulled on the connector. My instructor from Vo-tech would have tested the bcm first.