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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

Perform service light
03/20/2026 in the Technical Discussion Forum
[Driveability: 18 Ram 2500 Big Horn 6.7L] Hello Ram Cummins guys, Having an issue with my Ram getting a perform service message lately comes on then off never stays did not come on today came on a longtime ago once, then came on on last week then yesters...
Chrysler Star connectors
03/20/2026 in the Technical Discussion Forum
Have any of you guys/gals had Can Bus issues caused by the Star connector itself? Thanks.
Crank, no start
03/19/2026 in the Technical Discussion Forum
[Driveability: 08 GMC Sierra 2500 HD WT 6.6L] Backstory on this truck is that the customer got bad fuel at some point in the past. He is a farmer and fairly handy, so he dropped the fuel tank and cleaned it, as well as replacing some injectors, not all o...
SRS Fault 9005
03/19/2026 in the Technical Discussion Forum
[Electrical: 18 Mercedes-Benz Sprinter 2500 3.0L] N2/14 (Low line/high line airbag control unit) ­ Voltage drop on circuit 15R (Supply voltage < 3 V) - According to the wiring i have from ShopKey 15R is just a key on power from a relay, load tested ...
2018 Silverado 4X4 right front axle seal
03/18/2026 in the Technical Discussion Forum
[PowerTrain: 18 Chevrolet Silverado 1500 LT 5.3L] First time changing the right front axle seal on a Silverado with electric power steering. Service information states to pull the steering gear electric assist motor. Service information says you need the...

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