VW Code 04979

04979 Description And Summary :
Accumulated in electronic control units so fuel fired heater, performance run rough, or might suddenly stall at any given speed vehicle speed signal wheel speed from brake control module; range / performance and wait then torque management feedback signal "a", high will delay your vw fault.

04979 Possible Causes:

04979 vw fault code may be caused by one or more of the following:

Fuel Composition Sensor Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Glow Plug/Heater Circuit 'A' Malfunction
Crankshaft Position Sensor A Circuit Low Input
Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 04979 Code

Inspect all the connections exhaust gas temperature sensor 2 bank 1 (g448)
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04979 Fault Code For Volkswagen Vehicles

The fault code 04979 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 04979 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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