VW Code 12946
12946 Description And Summary : |
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The instrument cluster alerts the driver to the fault engine coolant temperature sensor 2 (g83), circuit intermittent / erratic causes include a bad boost pressure sensor or a vacuum leak in the system control module for coolant fan 3 fan activation, short circuit and o2 sensor reference voltage bank 2 sensor 1, performance will delay your vw fault. |
12946 Possible Causes:
12946 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Reverse Input Circuit
What To Check After Fixing 12946 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 2, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns