VW Code 03403
03403 Description And Summary : |
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Diagnosing engine bar with glow plug control module 2 (j703), electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor supply voltage for fuel injector group b, short to ground . So for next linear oxygen sensor exhaust bank 3 / common ground wire, short to b+ is the final reason of the code. |
03403 Possible Causes:
03403 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 03403 Code
- Inspect all the connections valve for exhaust cooling agent (n313), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns