P1236 – Engine Torque Control Fault (BMW)

Description

P1236 BMW indicates a fault in the engine torque control system.

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Symptoms

  • Hesitation
  • Reduced power
  • Rough idle

Causes

  • ECU driver fault
  • Sensor error
  • Airflow issue

Diagnosis

  • Scan DME
  • Check torque signals
  • Inspect airflow

Repair

  • Repair ECU
  • Replace sensor
  • Fix airflow