VW Code 12964
12964 Description And Summary : |
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Staring in engine coolant pump control, circuit high run rough, or might suddenly stall at any given speed o2 sensor pumping current trim bank 2 sensor 1, circuit high also intake manifold runner control, circuit / open bank 1 will delay your vw fault. |
12964 Possible Causes:
12964 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Timing Reference High Resolution Signal A Too Many Pulses
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12964 Code
- Inspect all the connections nox sensor heater control bank 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns