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2000 BMW X5 4.4I E53
4.4L V8 M62•AWD•AUTOMATIC•gas•M62B44
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor489Torque2160Fluid10DTC1997Battery1Maintenance0Recalls6
P0517low severityPowertrain

Battery Temperature Sensor Circuit High

on 2000 BMW X5 4.4i E53 4.4L V8 M62 · AWD

What this code means

The battery temperature sensor circuit reads higher voltage than expected. This can lead to incorrect charging system regulation.

Symptoms

  • Check engine light on
  • Charging irregularities
  • Battery warnings

Common causes

  • Open circuit in sensor wiring
  • Faulty battery temperature sensor
  • Corroded or loose connector
  • Faulty PCM input circuit

Diagnostic steps

  1. Scan battery temp sensor voltage
  2. Inspect wiring for opens
  3. Test sensor resistance
  4. Check connector integrity
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