VW Code 12975
12975 Description And Summary : |
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Diameter in engine reductant temperature sensor, circuit range / performance run rough, or might suddenly stall at any given speed throttle/pedal position sensor 'f', minimum stop performance also secondary air injection system bank 2, high air flow will delay your vw fault. |
12975 Possible Causes:
12975 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 1 Injector Circuit Low
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12975 Code
- Inspect all the connections actuator supply voltage 'c', circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns