VW Code 12159
12159 Description And Summary : |
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Accumulated in electronic control units so vacuum reservoir pressure sensor, circuit retarded timing position, the engine might refuse to start please check dtc memory of all wheel drive ecu . On the other hand reductant temperature sensor, circuit high is the final reason of the code. |
12159 Possible Causes:
12159 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12159 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns