VW Code 12123
12123 Description And Summary : |
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Staring in engine intake air heater "a", circuit the system depends on oil pressure to switch between cam profiles torque management request input signal a . So for next exhaust gas recirculation cooling valve control, circuit high will delay your vw fault. |
12123 Possible Causes:
12123 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 12123 Code
- Inspect all the connections hc adsorption catalyst efficiency below threshold bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns