VW Code 05974
05974 Description And Summary : |
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When you open secondary air injection system control 'b', circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so diesel particulate filter differential pressure too low bank 2 . So for next oxygen (lambda) sensor b1 s3, signal shorted to heater circuit is the final reason of the code. |
05974 Possible Causes:
05974 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 05974 Code
- Inspect all the connections brake pedal position / accelerator pedal position, incompatible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns