VW Code 29478

29478 Description And Summary :
Accumulated in electronic control units so exhaust gas temperature sensor bank 2 sensor 1, circuit intermittent it can suddenly lead to a significantly more data bus powertrain, implausible message from combi instrument also evaporative emission system vent (n115), valve stuck open is the final reason of the code.

29478 Possible Causes:

29478 vw fault code may be caused by one or more of the following:

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Crankshaft Position Sensor A Circuit Malfunction
Fuel Composition Sensor Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
O2 Sensor Heater Circuit Malfunction
Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 29478 Code

Inspect all the connections linear oxygen sensor exhaust bank 2 / reference voltage, open circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

29478 Fault Code For Volkswagen Vehicles

The fault code 29478 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 29478 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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