Error code

OBD2 P2644

OBD2P2644
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Torque Management Feedback Signal 'B' High.

Severity

moderateCan drive, but monitor the vehicle and address the issue soon.

Summary

P2644 indicates that the feedback signal B from the torque management system is high, which could be related to issues 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 P2644 mean?

P2644 indicates a high signal from the torque management feedback system, likely due to an issue with the wiring, ECM, or TCM.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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