Powertrain
generic / SAE
P232A
TCM Request Forced Engine Shutdown
The transmission control module (TCM) has requested an emergency engine shutdown over the powertrain bus, typically because it has detected a condition that could damage the gearbox or driveline if engine torque were not removed (e.g. severe overheating, loss of pressure or hydraulic control).
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 2A
Possible causes
- TCM internal protection logic triggered by gearbox condition high
- Invalid or stuck shutdown message on powertrain bus low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–3500 €
- Estimated time: 1–8 h
- Component: tcm
- Component: powertrain bus
- Component: ecm
- MIL / check engine light
Sources
References
sae:J2012