Medium and Heavy Trucks
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Hi my name is Dan. that fault comes up as an inertia brake fault. Click this link and see PDF pg 106-111
http:[email protected][email protected][email protected]
Please post the complete trans model number so I can be sure to get the correct troubleshooting info to you.
Thanks for the update. What is the complete model number? Are there signs of metal or burnt oil in the transmission indicating a mechanical problem?
Thanks for the update. Sound like you are pulling your hair out with this one. If the TCM, harness and transmission is all new but the problem still exists I would say take a close look at the PDM and harness connector pins for corrosion, loose connections, or shorts in the harness starting at the batteries to starter and between the ECM and TCM. So the TCM is new but the engine ECM has not be reflashed or touched?
Are there any codes logged in the engine ECM? I would inspect and clean all grounds and harness connections while installing dielectric grease to hunt for corrosion or damaged wiring. This sounds like an electrical issue. The TCM and ECM have to communicate with each other so thats why I was wondering if the engine ECM has any logged faults
Hi Jonathan, Just following up to see if you needed more help.