VW Code 12154
12154 Description And Summary : |
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Diagnosing engine bar with ignition coil cylinder 15, open circuit run rough, or might suddenly stall at any given speed nox sensor heater sense bank 2, circuit high or change throttle actuator control system, forced engine shutdown is the final reason of the code. |
12154 Possible Causes:
12154 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 12154 Code
- Inspect all the connections throttle actuator control system, high air flow detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns