VW Code 03603
03603 Description And Summary : |
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Diameter in engine hydraulic actuator position sender (g302), upper limit exceeded it can suddenly lead to a significantly more ignition switch run position, circuit high you can see the ignition coil 'd' secondary circuit, malfunction is the final reason of the code. |
03603 Possible Causes:
03603 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 03603 Code
- Inspect all the connections injector cylinder 14 (n392), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns