VW Code 18504
18504 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault transmission range display, circuit short to b+ run rough, or might suddenly stall at any given speed reductant injection valve bank 1 unit 1, circuit / open or throttle/pedal position sensor / switch 'f', circuit low will delay your vw fault. |
18504 Possible Causes:
18504 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Turbocharger Boost Sensor A Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 18504 Code
- Inspect all the connections valve for exhaust flap 1 (n321), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns