What this code means

The crankshaft and Bank 1 exhaust camshaft position signals do not correlate properly.

Symptoms

• Check Engine Light
• Rough running
• Engine noise
• No start condition

Common causes

• Timing chain issue
• Exhaust VVT solenoid failure
• Sensor failure
• Worn timing components

Diagnostic steps

1. Check timing chain alignment
2. Test exhaust VVT solenoid
3. Inspect sensors
4. Check oil condition

Repair notes

Repair timing system or VVT components.

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