Powertrain
generic / SAE
P2638
Torque Management Feedback Signal A Range/Performance
The torque feedback signal A is present but its value is implausible against measured engine load and speed. Sender calibration or sensor offset is suspected.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 38
Possible causes
- Sender calibration drift medium
- Bus value corrupted by EMI medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–1500 €
- Estimated time: 1–4 h
- Component: tcm
- Component: torque sensor
- MIL / check engine light
Sources
References
sae:J2012