TOWN & COUNTRY CARAVAN NO BUS DIAGNOSTIC

[@PineHollowAutoDiagnostics]

That was an awesome diagnostic process! Definitely a lot of manual labor involved, but so satisfying to see the CAN network come back to life :)

[@ADVANCEDLEVELAUTO]

Thank you for watching! Btw I'm a big fan of your channel!

[@scottfuller7823]

Where is your shop located?

[@jum5238]

Fantastic explanation of your troubleshooting methods! Great to mention that modules can interfere with one another! People often forget that a BUS is a shared resource that any module can mess with.

[@juneauinternationalfamilyr1064]

WOW! Thank you so Very Much! I've been pulling my hair out trying to figure this same problem out. And, also I had a problem with the Tailgate Lift & it would not open manually. Not sure if that was also a problem with your customer's vehicle. I bought this 2008 T&C with a "3 day warranty" ,, UGH! I called Dealers and friends to find an answer. I was stuck away from home with this problem. 6 hours later, when I happened to pull the driver's side cargo door closed... Boom! everything lit back up and the van was back to normal. Next day(today), the ghost was back again. And you have now kept a grown man from crying! Thank you so much. I was asked if the van had been in a flood, because that causes some wonky things to happen. You were very educational, but WAY over my head. Thank God that you put this video up, and I can be helped a year later. And thank your customer, too.

[@ADVANCEDLEVELAUTO]

Awesome! I’m glad I could help!

[@bryanweiter196]

Thanks for this video. Had the issue pop up the day my Caravan turned 100,000 miles. I found this video and started by disconnecting the rear DVD monitor and ac. The DVD monitor was causing the No Bus code. Saved me tons on dealership diagnostic costs. Excellent video!

[@tamaracarroll6754]

Thank you so much for this video, you probably saved us 100s of dollars at the repair shop. We have a Town and Country S minivan that had the same problem. It started after washing the vehicle. The problem was the drivers side rear door where the connection got wet from power washing. Again, thank you!!

[@ADVANCEDLEVELAUTO]

I'm so glad this video was able to help you!

[@suzannekoole1792]

@@ADVANCEDLEVELAUTO just washed out vehicle and experiencing the same problems. Once it dries out did it fix problem or did you still have to disconnect something?

[@dirtystayouts24]

I have a 2013 Caravan….is there still a module in the roof climate control w/o having DVD option? I have tried most other modules without success…any insight appreciated. Thanks

[@FixItYerself]

@@dirtystayouts24in thinking the same thing since the rear ac on my 2012 grand caravan doesn't work and now the lights come on randomly draining the battery while sitting in the driveway. there are wires in the sliding doors I'm going to check, as well as the driver door wiring, as those can break most easily apparently

[@spookytooth69]

Holy crap! This video saved my life! (I may be slightly exaggerating) How could I have possibly known that ONE tiny broken wire in the driver's side slider could cause such a mess! Thank you! Thank You! THANK YOU!!

[@ADVANCEDLEVELAUTO]

I’m glad I could help

[@Frank-pv1hp]

Nice fix. Good thought process and explanation of your work. One slight shortcut is that you can unplug each front door in the jamb without having to pull door panels, saves a few precious minutes

[@jasonc.4683]

Bravo Sir. This video needs to be noticed ASAP. Wonderful presentation. I'm just scratching my head about not having splices. That radio interface to me looked like Chrysler's powerNet thing they have going on where the splices are under the glove box tucked up in there. I know the Darts have them. But u were there present at that time so I'm pretty sure u are right that it didn't have splices. Bravo again Sir. Hope the big dawgs in the KZbin world take a look at this. Bless 😇

[@ADVANCEDLEVELAUTO]

Thank you!

[@spelunkerd]

This topic is intimidating, if only because of the specialty tools and the way communication is more complex than simple power and ground. However the more I think about it, basic principles still apply. It is also helpful in some systems to have end module resistors in parallel to allow a multimeter to measure resistance and infer the status of the wires (open, short, or good). The worst of this for general mechanics is the lack of normal values and poor communication of those standards in the dealer repair manual. In the end, your theme to disconnect modules one at a time and watch the signal seems to be reliable and systematic. I'm gonna have to tap into these circuits a few times to better appreciate how they work in normal vehicles. Another brilliant video, Eric.

[@williamsalfai8660]

You sir, are an automotive deity! This was 100% the problem with our 2016 Grand Caravan. I fixed the problem in about 10 minutes max

[@oscarmichel2507]

Just finnished doing my Smog Update CAN Communication Diagnostic Course, I thought this was an AWESOME Video... You are a great teacher and very knowledgeable and it's the best explanation I have seen... Thankyou Keep it up...

[@jamfixer7033]

Best video I have found for understanding BUS & Module systems Thank you

[@hugobarbosa9012]

very good your videos! Another easy way to identify problems in the Can network would be to turn off the “star connects”, so you can identify which module is bringing down the network

[@drivebyandy]

Super in depth and I don't have the fancy equipment to take advantage of all the knowledge you just shared but I sat and watched the whole thing anyway. Really nicely done video.

[@ADVANCEDLEVELAUTO]

Thank you! I appreciate that!

[@RICKR24k]

INCREIBLE!! Gracias por compartir Este video , anoche mi carro Dio todos esos problemas y vivo en un lugar donde hace mucho calor , no tenia aire ,no bajaban los Vidrios , no tenia radio , luces . Este video merece un million de likes . Un abrazo .

[@arthurfricchione8119]

Excellent video with a very good explanation of all your troubleshooting procedures and the reasoning behind them and what we were observing while you were doing them. very well put together thank you for your time and knowledge. 👍

[@ADVANCEDLEVELAUTO]

Thank you!

[@SuperMarioDiagnostics]

Nice work, especially for your first time! Enjoyed watching your logical approach. I will give just one time saving tip. After you compete your car auto scan, you can press report down around the bottom of the screen to see all codes in one page, at the same time, that way you won't need to go in and out of each module to check for codes. Really enjoyed this one, reminded me of my jeep comm video 😆 yours is much more detailed and explained. Thanks for sharing!

[@ADVANCEDLEVELAUTO]

Thanks for the tip! I shot this video almost a year ago, right after I had just bought the Maxisys, so I was still getting used to it. I finally got around to editing and posting it this past week. I really enjoy your channel btw

[@SuperMarioDiagnostics]

ADVANCED LEVEL AUTO cool man. Hey thanks! Glad you enjoy it!

[@joepastafari]

unfortunately I found this video right after I spent a lot of time figuring most of this out myself. This would have saved me a ton of time.

[@neilrampersad4291]

Great diagnostic skills, I learned a lot watching your videos.

[@ADVANCEDLEVELAUTO]

Thank you!

[@markwinter8290]

Awesome video. Our lights went out on our van as well as other goofy things, and after researching causes, I came across your video. I then disconnected the DVD module and it all worked again. Thank you!!!

[@TheNabilnaim04]

You are a great teacher, knowledge, methodology, energy ...👍 well done

[@tylerblanchard2259]

Man just bought a 2013 doung the same, that was extremely valuable knowledge...excellent Job sir.

[@nicholaspaul2458]

Great video. I am a dyi enthusiast and your explanations and thought process are extremely helpful. thanks for this and other videos

[@crosscutwoodshop2942]

I found your well explained, very informative video by doing a search for the same problem that occurred instantly prior to everything being functioning flawlessly 10 minutes earlier. I can not thank you enough. You've me so much time, a trip to a repair shop where I would have had to spend unnecessary money, especially when dealing with some if not most dishonest mechanics. Once again, thank you.

[@habib738]

Honestly thank you for taking your time making the video and also for the CAN bus system , really simplified it cheers mate * UK *

[@thorodland]

Great video. Having simular issues with 14 Town and country. Saved me hours. Thx.

[@videosenutube]

This one definitely goes into my Can /bus comunication problem reference videos for future brain refresh.thank you you have another subscriber.

[@roxanneabbott8424]

You have such a gift!! Awesome work Eric!! Love the whiteboard also!

[@ADVANCEDLEVELAUTO]

Thank you for watching!

[@steveguest8028]

That’s a great find, thing is with these kind of faults they are so time consuming( I do it every day)but the customer just doesn’t see it ... well done 👍

[@iam1smiley1]

The front doors have a connection that's easy to unplug, where the door wire loom flex thing meets the frame. Seems easier to just quickly unplug the whole thing for the door test and go further if signals change 🤔 I bought an 08 Caravan super cheap and it stunk really bad! I got lucky and noticed the whole interior CAN would cut out when the door was open as I scanned it with the door open...it was so gross smelling but improved with the door shut, it also had a door module code. I could also see the wires in the door flex were installed backwards by someone and jamming the wires in the door as it closed. Made for a nice easy problem to spot, a week before I wanted to go on a 3000km trip. I even had time to shampoo it and drive around to verify the fix. Both CAN lines shorting to each other and 8 bad wires in total where the door wires flexed. Thanks for the great detailed videos on everything, so much to learn 😊

[@jwilkers1]

Very good video, I'm definitely glad I found this channel communication faults are my weakest area and you did a great job explaining and showing how you got down to the answer.

[@ADVANCEDLEVELAUTO]

Thank you!

[@alangaudry724]

Go for the easy stuff to disconnect first, Great Video 👍 one of the best presentations with high quality video I have seen on this subject matter

[@ADVANCEDLEVELAUTO]

Thank you!

[@FishingNCats]

I'm sure you (and your customer) wished the first module you tried was the bad one!! I'm working on a different Chrysler product, but the troubleshooting procedure remains the same. My CAN bus lines show continuity between TIPM, Cluster, radio, etc, but does not show any resistance between the two lines themselves. I also see comms on the bus, but the cluster still shows "no bus". My car remains something of a mystery, but you gave a good explanation, and I appreciate the extra effort it takes to make the video.

[@mikemalloy7424]

Thanks for the video. Had all of this nonsense happen yesterday on my 2014 dodge grand caravan. It was my rear tv also. Great video!

[@oscarluna7775]

Our 2011 t&c started doing the same as the one in your video, seems to have started shortly after we went through a self carwash.. it goes away at times but comes right back.. three shops have tried finding the problem with no luck..the dealer was one of them.. They tried selling us a new one instead.. though charged over 200 dollars for basically nothing..i tried disconnecting the roof and no luck... Thank you anyway for the video, it gives a lots of encouragement , i will try disconnecting the rear sliding doors next..thank you 👍

[@dianew1180]

You are amazing at providing a vast amount of information that has helped me understand what to look at. Thank you so much!

[@hammerhead6537]

Excellent job. And I subscribed. You have a very informative channel.

[@paulcarreon3842]

Nice video. You explainations are done in a way people can understand. I assume that when you left the module disconnected you also disabled the rear air system?

[@tomcorcoran5600]

Excellent informative video. Thanks for sharing your time and expertise with all of us!

[@unclemarksdiyauto]

Great diag and nice explanations. Too bad about no splice in can bus. Would have made it easier. Wife has same van, can’t wait for it to act up. No DVD option in ours so one less thing to act up. (Thanks youFiat/Chrysler technology!) Look forward to your next video...

[@ADVANCEDLEVELAUTO]

Thanks!

[@glasser2819]

Really nice work you did! This is really a German Bosch design where everything is a 3rd party vendor module... profit center! It's all nice and fancy but these system should diagnose themselves... just like airplanes do. Instead any single individual module can disrupt the whole bus, WTF. These days Benz has 5 to 8 separate buses connected through a gateway in order to isolate failures by order of importance (Ex: windows can't screw up transmission)

[@deogee1000]

Hey, FYI there are star connectors mounted under the dash to disconnect all those module in one place, Makes it really fast to diagnose with out disassemble of the interior, I really liked your video.

[@ADVANCEDLEVELAUTO]

I tried looking, but couldn't find them. Thanks for watching!

[@bartscave]

Can you elaborate on how to find those?

[@MrJmhayden]

I am having the same the problem with my van, very informative I feel there is a few simple things I can try now to cut down on labor cost 😬🙏

[@7853157]

Thanks for the video! Sad that the engineers created something so complicated to run down the issue. A plastic module that in the cost of the Toal car is pennies on the dollar cost hours of Mechanic labor. With technology I hope they can create something that once you put it on the scan will tell you EXACTLY were the problem is so the auto owner doesn't have to pay hours of labor to find a $5 part that malfunctioned. Yet I am so thankful for the video it was very informative Seems to be a Chrysler, Dodge Jeep issue for sure.

[@jannick-halben]

Fiat-Chry have had 15year now to change this, but they wont do it. It's their real income you are touching & it's HUGE. Same as adding an 300hp 3.6vvt to an 200hp 62te-transmission makes them all break down giving an extra 6-12,000$ income every 100-172,000 miles.

[@neverstoplearning382]

Wow nice job and explanation. Learning a lot from the best. Regards pal.

[@ColinPrince]

Great video, although I was lost a couple of times it all makes sense. Thanks.

[@abqmaniac4618]

You are en excellent teacher. what an awesome and logical video you created. Move over Albert Einstein.

[@ADVANCEDLEVELAUTO]

Thank you for watching!

[@lilbuddyadventures2336]

Once you pin point the mod that is not communicating, in this case it was the dvd player, HOW did you fix it? Or did you just leave it disconnected?

[@SaiRam-hu8ly]

Love the troubleshooting process. Great video. Thank you for sharing!

[@tonyabrams9974]

enjoyed the video great job explaning the CAN SYSTEM

[@johngibson3594]

You can only drive this van in the rain. Great video. This is why I hate computers. They can do really weird stuff when things go wrong.

[@randy1ization]

could u have tried doing bidirectional control of the different systems with your picoscope or verus?

[@joseloslopez985]

I like so much this video is why I am sucribe right now very very good video 👍👍👍

[@OldSchoolNoe]

Very Cool! I'm studying for the ASE A6 and I've never done CAN BUS troubleshooting, great to see!

[@ubaldoperez1539]

Excellent, that problem is prevalent in caravan and vw Ruttan and I will disconnect the same module and see what the result is

[@SS-U23]

Awesome knowledge, bro Thank you so much for explaining about the CAN types involved in this vehicle. This video is very useful for myself. Thanks again!👍👍👍

[@mikechiodetti4482]

Great Diagnose! Sometimes disconnecting modules is the only way to locate the CAN or IHS problem.

[@prmayner]

thanks brother, awesome diag. i have found many problems in the roof. great explanation.

[@ADVANCEDLEVELAUTO]

Thanks for watching!

[@pablolopez973]

I just want to thank you for your videos.i have watched 2 of them and they are really interesting.thank you for sharing

[@ADVANCEDLEVELAUTO]

Thank you for watching!

[@moebassidji8306]

great explanation on can bus. thanks.

[@ADVANCEDLEVELAUTO]

Thank you!

[@mariotovar6197]

WOW, what an education! Thank you!

[@stevencopeland8710]

Thanks for you video! It worked!

[@bartscave]

Very good diagnosis!

[@ADVANCEDLEVELAUTO]

Thank you for watching!

[@justdoityourself]

Thank you for the video! I have everything disconnected, including cluster, but wipers are still on. Resistance on pin 26 and 27 62 ohms. Any suggestions on next steps? Thanks!

[@josevillalobos9973]

Im having the same problem. Did you figure it out ?

[@justdoityourself]

@@josevillalobos9973 while I was troubleshooting the issue went away and never came back. It's been 4 months already. My guess the cluster was a problem.

[@alangaudry724]

Thank you for sharing your knowledge

[@ADVANCEDLEVELAUTO]

No problem. Thanks for watching!

[@erickvqz77]

all i can say is well done ,with your explenation,thanks for this viedeo, i just someting new today , good jom man

[@fire7765]

That was a awesome diagnosis

[@connordwyer1209]

Would pulling fuses work where applicable to power down modules to avoid having to take as much apart?

[@oskarbc7213]

Another amazing video! Thank you 🙏

[@twincam825]

Excellent trouble shooting thanks for posting.

[@DogOneIsOpen]

This just saved me hundreds of dollars! Thank you!

[@Giggiyygoo]

Would it have been possible to just pull the fuses for the modules one by one while looking at the scope? Of course, if the CAN wires were shorted in the module that wouldn't work, but in this case I wonder if that wouldn't save time.

[@charliemartinez701]

Saved my life!!! Thank you so much!!! Even tho I have a different van it still worked the same way.

[@ibrahimahmed7333]

This is a really valuable information 💁‍♀️ 👏

[@georgehooper4030]

Wow, you got the complete assembly down on a table. I have the two monitor version and all the AC controls etc in the 2013 Grand Caravan RT version. It looks pretty much the same as yours. It also came with a DVD player like remote control and headsets for four passengers. Go figure. The question is when removing the initial bezels (not the whole thing) could you see the metal roof of the minivan? Is there a 1/2 in space between these overhead options and the roof? The reason that I ask is that I want to install an antenna mount in the roof for two-way radio communications with a fixed antenna in the center of the van. I need to drill a 3/4 in hole in the roof to install an industry standard NMO roof mount. If I can get this then routing the antenna cable to a radio is not that big a deal in a headliner. You posted in 2019. If you don't have answers or even look at your post that is OK. Thanks for your detailed video I can proceed possibly without breaking a lot and maybe post a video for others like me who are crazy enough to drill a hole in their minivan roof! Thanks.

[@jammerp226]

Just incredible!

[@superargo4701]

Here is an idea you can try in a future "No Canbus" scenario. Basically connect only a positive external +5vdc supply to the Canbus reference line; no negative, or no ground connection from the 5vdc supply. Connect a 5v volt step-down voltage-regulator to the car battery, while keeping the car battery connected to the car. Then connect only the positive 5v output lead from the voltage-regulator to a known Canbus 5v-reference wire within the car. The Canbus should "come alive". Now connect the OBD scanner to determine which module is at fault.

[@crsspence]

Most wont get it but always attack easiest first

[@onewhoknowsrevenge6807]

Thank the Lord im a retired mechanic,the good old carb days.No computers.Unfortunately.I retired in 2014.And had to learn and word on this nightmare generation,which every year gets worst,and worst.The space ship is the next compact.

[@duanehall723]

Great troubleshooting technique !

[@JimmyBagOfDonuts]

Great diag, Eric!

[@alitehrani3415]

Thanks was great . Have a question. ALL THE COMMUNICATION SYSTEM IN CAR SHOULD HAVE MIRROR IMAGE? HOW DO I FIND ABOUT IT? I AM SURE LIN IS SINGLE LINE NO MIRROR IMAGE

[@antegas]

Thanks for your vid. I enjoyed watching your procedures.

[@clcautotech]

Great video and presentation. Thanks

[@yahshua1110]

Fantastic video, you are a great mechanic. These electrical problems can be so perplexing sometimes. You don't always get lucky when your diagnostic can't pinpoint the exact problem. Thanks for sharing all your work on this! I was wondering if you know if there is an easy way to diagnose a low beam headlight not coming on that's not the bulb assy. Is there a test for the ballast?

[@etiennebisset5642]

Thank you bro. You got a lot of patience. Keep on posting those videos.

[@JohnMackenzieInverness]

Great Video Thank you never know when this might be handy as a T&C owner

[@billyr9840]

Nice approach, just subscribed !

[@ADVANCEDLEVELAUTO]

Thank you!

[@wysetech2000]

First time viewer and i'm impressed.

[@olamidedabiri-connell2729]

Thank you very much. You save me a lot of money.

[@MechanicTechnicianRepair]

Exselete diagnostic amigo nice video salude noel matute de California

[@ashleycourtney8217]

CAN YOU SHOW HOW TO HOOK UP THE CAN WIRE CONNECTOR FOR TE LABSCOPE

[@naushadali95]

super video and great channel.

[@ADVANCEDLEVELAUTO]

Thanks for watching!

[@kellyconstenius676]

Of course I will watch this video. We have a 08 Town and country and a 16 Town and country. Wife just loves them and wont buy anything else. Its just up to me to keep them running. And you just know I will run into this.

[@dporrasxtremeLS3]

We have a 2011 T&C and just Love it! 130K and only 1 TIPM issue under warranty.

[@RegondiMusic]

Wonderful video thank you

[@moecapitolnetwork2916]

Instead of removing the door panels can i unplug the door connector thats on the door jambs? Thanks for your help awesome video

[@agoodneighborautorepair2176]

Very nice diagnostic.

[@AlexSanchez-hw8pi]

Thank for the video! I tried this out on my 2009 dodge town & county. It didn’t work for mine. But I wanted to see if you had any other solutions or other options I can try out. You might know a more then I’m going in this blind. I bought this van from a auction it was a flood purchase. The van turns on and is drivable and the electrical is partially working. Wipers stay on headlights stay on, but the doors and the lights on the dash are not working the radio and tv also not working. Hopefully you can help. Thank you in advance!

[@stalingutierrez2609]

Did you figured out ?

[@johnkendall9831]

Thank you for SHARING, you have helped me tremendously

[@ntokamak693]

Another superb video, Thanks for teaching all us Dummies

[@heli400]

I have a 2009 dodge grand caravan se, the power locks will lock on their own.... I can unlock get in and shut the door no problems, but if I open another door and then shut that door; the doors lock. if I open the back hatch, and then shut it, the doors lock. everytime I open and then shut a door, the doors lock.... Any ideas? ... I mean watching this video has given me some idea where to start... I suspect modules now.

[@trevorshiffermiller2412]

I have a 2008 Chrysler T & C and having similar issues but things are flashing on and off not staying off. I had already noticed my overhead HVAC controls don’t work quite right and was just over riding them with my front controls but now I am going to get up there and check them out after this. Thank You for your detailed video.

[@stevendlent]

Hey, so what happened when you checked out the top hvac controller better?

[@trevorshiffermiller2412]

@@stevendlent I haven’t gotten up there to check it yet as it hasn’t been a big priority. I did find that my cluster lite show was caused by a bad ground. The one on the passenger side motor mount was in poor shape. I also did a big 3 upgrade to ensure grounds wouldn’t be an issue. I also added one more extra grounding from the alternator to frame. No issues since then with the light show. I haven’t gotten a chance to double check to see if the rear vents work correctly since then.

[@acacioa5460]

I feel dumber every time I watch one of your videos...... learn a lot though. thx!