VW Code 05123
05123 Description And Summary : |
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The instrument cluster alerts the driver to the fault electronic control module incorrect coding retarded timing position, the engine might refuse to start exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded you can see the starter interlock, circuit open will delay your vw fault. |
05123 Possible Causes:
05123 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 05123 Code
- Inspect all the connections fuel additive control module requested mil illumination
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns