Intermittent fault

If the diagnostic trouble code (DTC) for this fault is stored but the adaptation values are correct, the fault is intermittent. The cause of the intermittent fault is probably a defective camshaft reset valve.

HINT: If the diagnostic trouble code (DTC) for the fault recurs after erasing diagnostic trouble codes (DTCs) and the camshaft reset valve is not defective, the variable valve timing unit may be defective. 

Other information: 

• For further information about variable valve timing control, see Variable valve timing control
• To replace the camshaft reset valve on 6-cylinder engines, see Variable valve timing solenoid, replacing
• To adjust the camshaft position (CMP) on 5 cylinder engines, see Camshaft seal/variable valve timing (VVT) unit, replacing
• To adjust the camshaft position (CMP) on 6 cylinder engines, see Replacing the camshaft seals / variable valve timing unit .

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  Refer to Verification