P1002 – Valvetronic Motor Stuck (BMW)

Description

P1002 BMW indicates the Valvetronic motor is stuck and cannot adjust valve lift.

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Symptoms

  • Hard starting
  • Poor idle
  • Reduced power

Causes

  • Mechanical jamming
  • Motor failure
  • Gear wear

Diagnosis

  • Check motor movement
  • Inspect gears
  • Scan DME

Repair

  • Replace motor
  • Repair mechanical components
  • Service Valvetronic system