Error code

OBD2 P2549

OBD2P2549
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Torque Management Request Input Signal 'B' Range/Performance.

Severity

moderateCan drive, but performance may be affected and fuel efficiency could decrease.

Summary

P2549 indicates an issue with the torque management request input signal B, which is related to engine performance or range. This problem can be found in the Engine Control Module (ECM) or Transmission Control Module (TCM).

Common Causes

  • Wiring issues
  • Faulty ECM
  • Defective TCM

Fixes

FAQ

What does P2549 mean?

P2549 indicates a problem with the torque management request input signal B, which affects engine performance or range.

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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