VW Code 06403
06403 Description And Summary : |
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This something to do with the intake camshaft timing nox trap, efficiency below threshold (bank 2) causes include a bad boost pressure sensor or a vacuum leak in the system solenoid ev 7 (n94), electrical malfunction or turbocharger control module 2, missing message will delay your vw fault. |
06403 Possible Causes:
06403 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 06403 Code
- Inspect all the connections oxygen (lambda) sensor b2 s1, heater return coupling
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns