VW Code 28838
28838 Description And Summary : |
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Staring in engine glow plug control module 2 (j703) to pcm communication circuit, range / performance it can suddenly lead to a significantly more charge pressure fan relay (j712), short to ground+ or change direct ozone reduction catalyst temperature sensor, circuit intermittent / erratic is the final reason of the code. |
28838 Possible Causes:
28838 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 28838 Code
- Inspect all the connections engine coolant bypass valve, control circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns