Powertrain
generic / SAE
P2639
Torque Management Feedback Signal A Low
The torque feedback signal A reads below its valid range. Either the source reports a value below physical possibility or the bus signal is stuck low.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 39
Possible causes
- Source module sends invalid low value high
- Signal stuck low on the bus medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–1500 €
- Estimated time: 1–4 h
- Component: tcm
- Component: communication bus
- MIL / check engine light
Sources
References
sae:J2012