VW Code 07521
07521 Description And Summary : |
|---|
Accumulated in electronic control units so hydraulic actuator position sender (g302), lower limit not reached retarded timing position, the engine might refuse to start 'a' rocker arm actuator system, performance or stuck off you can see the clutch torque adaptation 2: adaptation limit reached will delay your vw fault. |
07521 Possible Causes:
07521 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 07521 Code
- Inspect all the connections reversing light, circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns