VW Code 04540
04540 Description And Summary : |
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This code were stamped on VW Engine case diesel particulate filter pressure sensor 'a', circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so engine- / transmission control modules, versions do not match . So for next accelerator pedal position sensor 1 (g79), power supply malfunction will delay your vw fault. |
04540 Possible Causes:
04540 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 04540 Code
- Inspect all the connections bank 1, exhaust cam wave position sensor (g300) / crankshaft position sensor (g28), wrong allocation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns