VW Code 12125
12125 Description And Summary : |
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Diameter in engine power supply terminal 30, voltage too low causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4, sensor 2, electrical error in the electric circuit and accelerator position sensor 1/2 (g79) + (g185), implausible signal will delay your vw fault. |
12125 Possible Causes:
12125 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor B Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 12125 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 2, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns