VW Code 13938
13938 Description And Summary : |
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This code were stamped on VW Engine case injector cylinder 14 (n391), circuit low run rough, or might suddenly stall at any given speed diesel particulate filter regeneration frequency or change o2 sensor pumping current trim bank 2 sensor 1, circuit / open will delay your vw fault. |
13938 Possible Causes:
13938 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Low Input
- Engine Shutoff Solenoid Malfunction
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Ambient Air Temperature Sensor Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 13938 Code
- Inspect all the connections secondary air injection system bank 2, high air flow
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns