P1012 – Valvetronic Motor Undercurrent (BMW)

Description

P1012 BMW indicates the Valvetronic motor is drawing insufficient current.

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Symptoms

  • Rough idle
  • Slow response
  • Reduced lift

Causes

  • Open circuit
  • Motor wear
  • High resistance

Diagnosis

  • Check wiring
  • Test motor resistance
  • Inspect connectors

Repair

  • Repair wiring
  • Replace motor
  • Clean connectors