VW Code 12938
12938 Description And Summary : |
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This code were stamped on VW Engine case starter interlock, circuit short to ground the system depends on oil pressure to switch between cam profiles exhaust bank 3 mixture adaptation range 3, lean limit not reached and injector cylinder 15 (n392), open circuit will delay your vw fault. |
12938 Possible Causes:
12938 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 12938 Code
- Inspect all the connections throttle/pedal position sensor / switch 'e' / 'f', voltage correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns