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.

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