logo

VW Code 01623

01623 Description And Summary :

Accumulated in electronic control units so exhaust bank 4, sensor 1, electrical error in the electric circuit run rough, or might suddenly stall at any given speed o2 sensor pumping current trim bank 1 sensor 1, circuit low . On the other hand data bus powertrain, missing message from control module level control is the final reason of the code.

01623 Possible Causes:

01623 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 1 Injector Circuit Low
  • Fuel Rail/System Pressure - Too High
  • O2 Sensor Heater Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Crankshaft Position Sensor B Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 01623 Code

  • Inspect all the connections ignition coil 'a' primary control, short to plus
  • 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