VW Code 05721
05721 Description And Summary : |
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This code were stamped on VW Engine case data bus powertrain, implausible message of the steering angle causes include a bad boost pressure sensor or a vacuum leak in the system radiator exhaust control 1, short-circuit after mass and coolant degassing valve, control circuit high will delay your vw fault. |
05721 Possible Causes:
05721 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 05721 Code
- Inspect all the connections please check dtc memory of adr control module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns