VW Code 12959
12959 Description And Summary : |
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The instrument cluster alerts the driver to the fault engine coolant temperature sensor 2 (g83), circuit causes include a bad boost pressure sensor or a vacuum leak in the system b camshaft position actuator control bank 2, circuit low . On the other hand coolant fan 2 (v177), open circuit is the final reason of the code. |
12959 Possible Causes:
12959 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 12959 Code
- Inspect all the connections vacuum reservoir pressure sensor, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns