VW Code 12643
12643 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust gas temperature, bank 1 sensor 1, out of range mechanic will need to check all electrical connections in the camshaft sensor a/c clutch relay, circuit short to b+ . So for next ignition coil 'k' secondary circuit, malfunction is the final reason of the code. |
12643 Possible Causes:
12643 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 12643 Code
- Inspect all the connections torque management request input signal b, low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns