Powertrain
generic / SAE
P2546
Torque Management Request Input Signal A Low
Torque management input A reads stuck low — analog short to ground or message stuck at minimum value. The ECM cannot trust the request and falls back to a safe default.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 46
Possible causes
- Signal wire shorted to ground high
- CAN message stuck at minimum value medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.5–3 h
- Component: torque management input a
- MIL / check engine light
Sources
References
sae:J2012