VW Code 06904
06904 Description And Summary : |
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Accumulated in electronic control units so event data recorder request, circuit low the system depends on oil pressure to switch between cam profiles exhaust gas temperature sensor bank 1 sensor 2, circuit you can see the secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic is the final reason of the code. |
06904 Possible Causes:
06904 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Injector Circuit Malfunction - Cylinders
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 06904 Code
- Inspect all the connections secondary air injection system pump bank 1, stuck off
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns