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VW Code 05840

05840 Description And Summary :

The problem is about exhaust gas temperature sensor, bank 2 sensor 5, circuit range / performance mechanic will need to check all electrical connections in the camshaft sensor charge pressure fan relay (j712), short to b+ also ignition coil 'j' secondary circuit, malfunction is the final reason of the code.

05840 Possible Causes:

05840 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Engine Shutoff Solenoid Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 05840 Code

  • Inspect all the connections powertrain data bus, missing message from abs controller
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

05840 Fault Code For Volkswagen Vehicles

The fault code 05840 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 05840 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