VW Code 15804
15804 Description And Summary : |
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The problem is about o2 sensor signals swapped bank 2 sensor 2 / bank 2 sensor 3 to change the oil filter and use the recommended engine oil to avoid any problems in the future so engine coolant temperature sensor 2 (g83), circuit and wait then 'b' rocker arm actuator control, circuit high will delay your vw fault. |
15804 Possible Causes:
15804 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 15804 Code
- Inspect all the connections relays for pump load air cooling (j536), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns