VW Code 12623
12623 Description And Summary : |
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The instrument cluster alerts the driver to the fault 'a' rocker arm actuator system, performance or stuck off causes include a bad boost pressure sensor or a vacuum leak in the system data-bus powertrain missing message from distance control or change direct ozone reduction catalyst deterioration sensor, circuit low is the final reason of the code. |
12623 Possible Causes:
12623 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor B Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12623 Code
- Inspect all the connections engine coolant level low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns