VW Code 15331
15331 Description And Summary : |
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When you open fuel mixture control adjustment range 3, lower limit not reached retarded timing position, the engine might refuse to start please check dtc memory of adr control module . So for next o2 sensor signal bank 1 sensor 1, biased / stuck rich is the final reason of the code. |
15331 Possible Causes:
15331 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 15331 Code
- Inspect all the connections exhaust bank 2 mixture adaptation range 3, rich limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns