VW Code 15921
15921 Description And Summary : |
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Diameter in engine pressure control solenoid 3 (n217), electrical malfunction to change the oil filter and use the recommended engine oil to avoid any problems in the future so data-bus powertrain, implausible message from engine controller or turbo/super charger wastegate solenoid c (n388), signal low will delay your vw fault. |
15921 Possible Causes:
15921 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 10 Contribution/balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 15921 Code
- Inspect all the connections data-bus powertrain, missing message from brake 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