P1230 – Torque Monitoring Fault (BMW)

Description

P1230 BMW indicates a fault in the engine torque monitoring system.

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Symptoms

  • Hesitation
  • Reduced power
  • Rough idle

Causes

  • Sensor error
  • ECU logic fault
  • Airflow issue

Diagnosis

  • Check torque values
  • Scan DME
  • Inspect airflow

Repair

  • Replace sensor
  • Repair airflow
  • Update ECU

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