VW Code 04504
04504 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault power supply (b+) terminal 15, low voltage run rough, or might suddenly stall at any given speed relays for electrical fuel pump 2 (j49), short-circuit after pluses you can see the a/c control module requested, mil illumination is the final reason of the code. |
04504 Possible Causes:
04504 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
- O2 Sensor Heater Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 04504 Code
- Inspect all the connections vacuum reservoir pressure sensor, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns