VW Code 03681
03681 Description And Summary : |
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The problem is about nox sensor heater sense bank 1, circuit low retarded timing position, the engine might refuse to start butterfly valve control unit 2 (j544), of mechanical errors . So for next o2 sensor negative current control bank 2 sensor 1, circuit low is the final reason of the code. |
03681 Possible Causes:
03681 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Timing Reference High Resolution Signal A Too Many Pulses
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 03681 Code
- Inspect all the connections a/c control module requested, mil illumination
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns