VW Code 04203
04203 Description And Summary : |
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Diagnosing engine bar with power supply (b+) terminal 15, low voltage to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle/fuel inhibit, circuit high or change outside temperature sensor 2 (g249), short to ground is the final reason of the code. |
04203 Possible Causes:
04203 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
- Clutch Position Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 04203 Code
- Inspect all the connections exhaust gas temperature control bank 3, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns