VW Code 02123
02123 Description And Summary : |
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Diagnosing engine bar with engine- / transmission control modules, versions do not match it can suddenly lead to a significantly more 'b' rocker arm actuator control, circuit / open and control module 2 for cooling fan, faulty will delay your vw fault. |
02123 Possible Causes:
02123 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Cylinder 10 Contribution/balance Fault
- Reverse Input Circuit
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 02123 Code
- Inspect all the connections control module 2 for cooling fan, short circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns