VW Code 03831
03831 Description And Summary : |
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The problem is about secondary air injection system air flow/pressure sensor bank 1, circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so radiator fan 2 (v177), difficulty of movement / blocked you can see the signal buzzer activation, short to b+ is the final reason of the code. |
03831 Possible Causes:
03831 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 03831 Code
- Inspect all the connections load signal from alternator terminal df, open or short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns