Powertrain
generic / SAE
P2544
Torque Management Request Input Signal A
The ECU detects an invalid torque-management request signal A from another control unit (e.g. transmission, ESP, ABS) on the CAN bus. Cooperative torque control cannot be performed as expected.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 44
Possible causes
- CAN communication error high
- Fault in requesting module medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 150–1500 €
- Estimated time: 1–5 h
- Component: can bus
- Component: tcm
- Component: abs module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012