Powertrain
generic / SAE
P2641
Torque Management Feedback Signal B
The torque feedback signal B from a second torque user is missing or invalid. The engine controller cannot coordinate torque reduction with this user.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 41
Possible causes
- Required CAN message not received in time high
- Source module reports an internal fault medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–1500 €
- Estimated time: 1–4 h
- Component: secondary torque user
- Component: communication bus
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012