Powertrain
generic / SAE
P2545
Torque Management Request Input Signal A Range/Performance
The ECM receives torque-management requests from other modules (TCM during shifts, ABS/ESC during traction events, hybrid controller). Input A is electrically intact but its values do not match the system model — out-of-range steps, jumps, or persistent values that other modules cannot confirm.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 45
Possible causes
- Requesting module sending invalid values high
- Communication bus corruption between modules medium
- Sensor element aged beyond calibration window low
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