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Automotive Technical Discussion Forum

Professional automotive forum for all types of vehicle repair discussion that does not fit into one of our more specific technical forums. Discussions include both OBD and OBD2, engine performance analysis, diagnostic best practices, service information, vehicle standards such as J1962, J1939, J2534, OBD2 modes (e.g. MODE$06), ignition and fuel system analysis, alternative propulsion (e.g. hybrid, electric, natural gas), and more. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Technical Theory Forum.

Recent Automotive Discussions in the Automotive Technical Discussion Forum

Bleeding Hydraulic Clutches
09/23/2017 in the Technical Discussion Forum
Ok maybe there\'s a bulletproof way to bleed these things that I don\'t know?? Lol I tried everything I can think of and 2 hours later and still getting air... So I did a clutch on it today and only disconnected the slave cylinder, capped the line so...
LVDS Low Voltage Differential Signaling Repair
09/23/2017 in the Technical Discussion Forum
I'm working a late model Range Rover that was front ended real bad and I am coming in to clean up after a really bad body shop. It has two camera in the front for parking aids and only the right one works. They are both new. If swapped, the left side stil...
Adding trailer lighting to a non V92 2012 Traverse
09/22/2017 in the Technical Discussion Forum
[Miscellaneous: 12 Chevrolet Traverse LT 3.6L] I just acquired a 2012 Chev Traverse. It did not come with the V92 tow package. I have run across an older tsb #07-00-89-021A That mentioned Dealers installing a different upgraded UBEC to include the connec...
2014 Ram Promaster
09/22/2017 in the Technical Discussion Forum
So I\'m stumped on this one need known good values of app sensor 1 and 2 not a lot of good info on it .. need the specs from a known good car replaced pcm and same code .. code returns as soon as app is pressed . App 2 has drop outs to ground but rea...
Theftlock - 2004 Pontiac Radio
09/22/2017 in the Technical Discussion Forum
I have the GM MDI and SPS information paid for. Not the full package. Can I reset the VIN in the BCM and Radio. We had a battery draw issue, BCM was bad, replaced it used as our local dealer said BCM for our model was 2 weeks out. Reentered VIN with SO to...

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