P1037 – VANOS Sensor Signal Too Low (BMW)

Description

P1037 BMW indicates the VANOS position sensor signal is too low.

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Symptoms

  • Rough idle
  • Hesitation
  • Reduced power

Causes

  • Sensor failure
  • Wiring short
  • Connector corrosion

Diagnosis

  • Check sensor voltage
  • Inspect wiring
  • Clean connectors

Repair

  • Replace sensor
  • Repair wiring
  • Clean connectors