VW Code 12443
12443 Description And Summary : |
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Accumulated in electronic control units so fuel pump circuit, electrical malfunction run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 3 / pump current, short to b+ . On the other hand valve for pump - jet: cylinder 8 (n304), regulation range exceeded will delay your vw fault. |
12443 Possible Causes:
12443 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 12443 Code
- Inspect all the connections tiptronic switch down (f189), open circuit / signal 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