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VW Code 03845

03845 Description And Summary :

The problem is about turbocharger control module 1, missing message it can suddenly lead to a significantly more radiator exhaust control 1, short-circuit after mass or fuel cap sensor / switch, circuit high is the final reason of the code.

03845 Possible Causes:

03845 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Crankshaft Position Sensor A Circuit Low Input
  • Fuel Rail/System Pressure - Too High

What To Check After Fixing 03845 Code

  • Inspect all the connections starter interlock, circuit open
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

03845 Fault Code For Volkswagen Vehicles

The fault code 03845 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 03845 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range