Error code
OBD2 P2640
OBD2P2640
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Torque Management Feedback Signal 'A' High.
Severity
moderateCan drive, but may experience performance issues and should be addressed soon.
Summary
P2640 indicates that the torque management feedback signal A is higher than expected, likely related to an issue in the engine control module (ECM) or transmission control module (TCM).
Common Causes
- Wiring short to positive
- Faulty ECM
- Faulty TCM
Fixes
- Repair or replace faulty wiring, ECM, or TCM.
FAQ
What does P2640 mean?
P2640 indicates a high signal from the torque management feedback system, typically related to issues with the ECM or TCM.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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