VW Code 12938
12938 Description And Summary : |
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When you open o2 sensor pumping current trim bank 2 sensor 1, circuit / open the system depends on oil pressure to switch between cam profiles data bus powertrain, missing messages from steering wheel electronics (j527) and wait then engine coolant temperature sensor 2 (g83), circuit range / performance is the final reason of the code. |
12938 Possible Causes:
12938 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Clutch Position Sensor Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Reverse Input Circuit
What To Check After Fixing 12938 Code
- Inspect all the connections valve for pump - jet: cylinder 11 (n307), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns