VW Code 04538
04538 Description And Summary : |
---|
Accumulated in electronic control units so vehicle speed signal wheel speed from brake control module; range / performance mechanic will need to check all electrical connections in the camshaft sensor exhaust gas temperature sensor, bank 2 sensor 5, circuit low and wait then fuel fired heater, disabled is the final reason of the code. |
04538 Possible Causes:
04538 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- Cylinder 1 Injector Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 04538 Code
- Inspect all the connections motor for intake manifold flap (v157), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns