VW Code 02938
02938 Description And Summary : |
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When you open coolant degassing valve, control circuit low the system depends on oil pressure to switch between cam profiles glow plug / heater relay, circuit short to b+ and wait then exhaust bank 3/4 lambda probes before kat exchanges will delay your vw fault. |
02938 Possible Causes:
02938 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 02938 Code
- Inspect all the connections reductant injection air pump control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns