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VW Code 12623

12623 Description And Summary :

This code were stamped on VW Engine case activation 2-unit injector valve, electrical malfunction to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for pump - jet, cylinder 1 (n240), electrical malfunction or change fuel injector group 'c' supply voltage, circuit high is the final reason of the code.

12623 Possible Causes:

12623 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Engine Oil Temperature Sensor Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 12623 Code

  • Inspect all the connections exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12623 Fault Code For Volkswagen Vehicles

The fault code 12623 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 12623 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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