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

	How to find a Resistive short to ground 11/03/2025 in the Technical Discussion Forum We have a 13 Ford Fusion with a resistive short to ground on a data line. It is not a module. It is somewhere in the harness. Does anyone make a short locator tool that doesn't require amperage? Resistance changes over time. Sometimes worse, sometimes non...
	2010 F-150 Programming a used ABS module 11/02/2025 in the Technical Discussion Forum [Brakes: 10 Ford F-150 Lariat 5.4L] This 2010 F-150 is from a local used car lot. They correctly diagnosed the ABS module as being faulty, pressure sensor stuck at 240 psi. They located and installed a used ABS module and valve block assembly, new being ...
	caterpillar v100f forklift brake problem 11/02/2025 in the Technical Discussion Forum I know this is not a usual subject here but maybe someone here has some experience with forklifts. I bought a v100f (to move cars with) and it appears to have stuck front brakes (wet brakes). I understand how the brakes at the wheels but how does the hydr...
	sometimes math is required 11/02/2025 in the Technical Discussion Forum Hello, IATN members. I have posted in the past that in many circumstances a theoretical understanding of Kirchhoff's laws and Ohm's law is not necessary to diagnose and trouble shoot electrical faults. I stand by this in most circumstances, but not all of...
	p050b 11/02/2025 in the Technical Discussion Forum [Driveability: 17 Jeep Wrangler Sport 3.6L] cold timing code. sets 6 sec. after cold start. 78k. vague discreption. automatics stall in rev. this is manual.

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