logo

VW Code 28643

28643 Description And Summary :

The problem is about a/c request a, circuit It could be due to limited air getting through your air intake ignition switch accessory position, circuit you can see the exhaust bank 4 main catalyst, effectiveness too low is the final reason of the code.

28643 Possible Causes:

28643 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Fuel Composition Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 28643 Code

  • Inspect all the connections b camshaft position actuator control bank 2, circuit low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range