VW Code 06643
06643 Description And Summary : |
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Diameter in engine secondary air injection valve 4 (n385), circuit electrical malfunction it can suddenly lead to a significantly more actuator supply voltage "b", circuit /open . On the other hand pressure control solenoid 6 (n371), electrical malfunction will delay your vw fault. |
06643 Possible Causes:
06643 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Reverse Input Circuit
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 06643 Code
- Inspect all the connections wheel speed signal 1, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns