Tag
#TCM
3 posts in Car Diagnostics blog about "TCM" — OBD-II diagnostics, DTC codes, repair. ← All posts
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P0882 and P0883: TCM power input signal low and high
The transmission module is reporting a supply problem. Every harsh shift and every limp mode that follows is a symptom, not a separate fault.
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P0700: the transmission code that is only a pointer
P0700 is not a fault. It is the engine ECU telling you the transmission module has stored something, and that you are reading the wrong module.
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U0101: lost communication with the transmission control module
U0101 means the engine ECU stopped hearing the gearbox module on the CAN bus. The module is often alive and well — it is the wiring, power or bus termination that failed.