VW Code 04538
04538 Description And Summary : |
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Diameter in engine control module 2 for cooling fan, short circuit the system depends on oil pressure to switch between cam profiles throttle actuator control system, low air flow detected and reductant injection valve bank 2 unit 1, circuit high is the final reason of the code. |
04538 Possible Causes:
04538 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Shutoff Solenoid Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 04538 Code
- Inspect all the connections load signal from alternator terminal df, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns