P2551

Torque Management Request Input Signal "B" High

DTC P2551, sometimes indicated as P255100 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the engine idling stability causing torque management request input signal "b" high.

  • P2551: Torque Management Request Input Signal "B" High
  • P2551: Torque management request, input signal B – signal high
  • P2551 00: Torque management request, input signal B - signal high

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