VW Code 12404
12404 Description And Summary : |
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The instrument cluster alerts the driver to the fault hydraulic pressure sensor 2 too low causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emissions (evap) fuel vapour temperature sensor, circuit low voltage or exhaust bank 4 sensor 1 heater circuit, short to ground will delay your vw fault. |
12404 Possible Causes:
12404 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 12404 Code
- Inspect all the connections butterfly valve drive 2 (g296) of electrical errors in the electric circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns