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International Automotive Technicians Network

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

Ball bearings, ball to race clearance
01/04/2026 in the Technical Discussion Forum
G'day iATN members, ball to race clearance is probably something you don't devote much thought to, unless you rebuild alternators or high load/speed electric motors. I know that I don't normally give bearing clearance a 2nd thought. If I order in, say a g...
Best Rear view Mirror Adhesive?
01/03/2026 in the Technical Discussion Forum
I need to remount a rear view mirror and am trying to determine the best kit to use. In the past I have used the Permatex Extreme with average results and I really don't want to do this more than once. Any thoughts on this? Beevo.
'14 Town & Country no power climbing hills (Won't downshift)
12/29/2025 in the Technical Discussion Forum
[Transmission: 14 Chrysler Town & Country Touring 3.6L] Alright, I'll try and be thorough with this post, but I haven't done enough testing to understand what's going on. That's due to the intermittent nature of the issue. Although I'm going to give ALL ...
2014 VW Passat Diesel SCR issues
12/29/2025 in the Technical Discussion Forum
I just replaced the Reductant injection Valve on this vehicle DTC P204800-P208E00 everything is working fine. It is saying in 25 miles the car will not start. Does this car have to go to the dealer to have this reset or can I do it with my Autel? I did tr...
Starter motor Circuit
12/29/2025 in the Technical Discussion Forum
[Electrical: 09 Nissan Maxima S 3.5L] Group, A 2009 Maxima shows with a blown 250 A main fuse at the battery. The current /circuit wiring diagram shows a direct path to the starter armature through the 250 A main fuse. Testing on car shows that the armat...

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