VW Code 04838
04838 Description And Summary : |
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The problem is about ecm/pcm power input, signal high it can suddenly lead to a significantly more mil call-up circuit / transmission control module, short to ground and nox sensor heater control bank 1, circuit / open will delay your vw fault. |
04838 Possible Causes:
04838 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Shutoff Solenoid Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 04838 Code
- Inspect all the connections a/c request b, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns