VW Code 15721
15721 Description And Summary : |
---|
Diagnosing engine bar with hydraulic actuator position sender (g302), no / incorrect basic setting/adaptation mechanic will need to check all electrical connections in the camshaft sensor engine coolant temperature signal, open / short to b+ and wait then torque management request input signal a, low is the final reason of the code. |
15721 Possible Causes:
15721 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 15721 Code
- Inspect all the connections exhaust pressure regulator vent solenoid, control circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns