VW Code 15021
15021 Description And Summary : |
|---|
When you open automatic glow time control module 2 (j609), circuit electrical malfunction It could be due to limited air getting through your air intake mass-airflow sensor 3 (g456), signal to high . On the other hand o2 sensor pumping current trim bank 1 sensor 1, circuit low is the final reason of the code. |
15021 Possible Causes:
15021 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 15021 Code
- Inspect all the connections injector cylinder 15 (n392), circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns