VW Code 02603
02603 Description And Summary : |
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Accumulated in electronic control units so throttle position (tp) sensor (g79), error message from ecm mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 4, sensor 1, electrical error in the electric circuit and wait then reductant temperature sensor, circuit will delay your vw fault. |
02603 Possible Causes:
02603 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Clutch Position Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Shutoff Solenoid Malfunction
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 02603 Code
- Inspect all the connections exhaust pressure regulator vent solenoid, control circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns