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2003 MINI COOPER

1.6L I4FWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor593Torque3689Fluid6DTC722Battery0Maintenance0Recalls4
P1397high severityPowertrain

Camshaft Position Sensor B Circuit Bank 2

on 2003 Mini Cooper 1.6L I4 · FWD

What this code means

The DME detected a malfunction in the exhaust camshaft position sensor (Sensor B) circuit on Bank 2. Without a valid signal, the DME cannot accurately control VANOS timing or ignition on Bank 2.

Symptoms

  • Check Engine Light
  • Rough running
  • Loss of power
  • VANOS fault
  • Engine may stall

Common causes

  • Faulty camshaft position sensor Bank 2 exhaust
  • Wiring damage to sensor
  • Corroded connector
  • Tone wheel contamination
  • Sensor air gap incorrect

Diagnostic steps

  1. Test sensor signal output
  2. Inspect wiring and connector
  3. Check sensor mounting and air gap
  4. Inspect tone wheel condition
  5. Test with known-good sensor

Repair notes

Replace the exhaust camshaft position sensor on Bank 2.

Other Powertrain codes on this vehicle

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