P0021

P0021

Adjustment of Inlet Camshaft in relation to Crankshaft, Bank 2 - Signal Implausible

Diagnostic conditions
- Battery voltage between 10 V and 16 V
- Time after the engine is started longer than 10 seconds
- Engine oil temperature between -9 °C and 100 °C
- Engine speed between 1,160 rpm and 6,000 rpm.

Possible cause of fault
- Dirt in oil circuit
- Sealing strips on inlet camshaft adjuster faulty
- Oil pressure too low
- Mechanical fault in inlet camshaft adjuster
- Magnetic hydraulic valve faulty

Affected pins
-

Diagnosis/troubleshooting

NOTE: Fault P0021 is only entered if there is a difference of between 5 °NW and 14 °NW in the actual value compared with the nominal value within a period of between two and five seconds.