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VW Code 03123

03123 Description And Summary :

Staring in engine injector cylinder 16 (n393), open circuit it can suddenly lead to a significantly more transmission fluid temperature, exceeded multiple times . So for next data bus powertrain, missing message from control module electric parking brake is the final reason of the code.

03123 Possible Causes:

03123 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Reverse Input Circuit
  • Crankshaft Position Sensor A Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 03123 Code

  • Inspect all the connections turbocharger boost control position sensor, circuit 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

03123 Fault Code For Volkswagen Vehicles

The fault code 03123 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 03123 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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