VW Code 04309
04309 Description And Summary : |
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When you open accelerator position sensor (g79), signal too low retarded timing position, the engine might refuse to start torque management request input signal a, low . So for next vehicle speed signal wheel speed from brake control module; range / performance is the final reason of the code. |
04309 Possible Causes:
04309 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 04309 Code
- Inspect all the connections secondary air injection system switching valve bank 2, stuck closed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns