VW Code 18731

18731 Description And Summary :
Staring in engine activation starter relay 2, short to b+ run rough, or might suddenly stall at any given speed activation, intake manifold runner bank 1 control, range / performance or change tiptronic switch recognition (f189), open circuit / signal to b+ is the final reason of the code.

18731 Possible Causes:

18731 vw fault code may be caused by one or more of the following:

Injector Circuit Malfunction - Cylinders
Cylinder 10 Contribution/balance Fault
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Ignition Coil A Primary/Secondary Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Engine Shutoff Solenoid Malfunction
Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 18731 Code

Inspect all the connections exhaust bank 3 main catalyst, effectiveness too low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

18731 Fault Code For Volkswagen Vehicles

The fault code 18731 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 18731 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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