VW Code 17801

17801 Description And Summary :
The instrument cluster alerts the driver to the fault exhaust bank 4, sensor 2 heater circuit, short-circuit after mass It could be due to limited air getting through your air intake air leak between maf and throttle body also transmission solenoid power relay, short to ground will delay your vw fault.

17801 Possible Causes:

17801 vw fault code may be caused by one or more of the following:

Glow Plug/Heater Circuit 'A' Malfunction
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Reverse Input Circuit
Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 17801 Code

Inspect all the connections evaporative emission system leak detection pump control, circuit high
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

17801 Fault Code For Volkswagen Vehicles

The fault code 17801 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 17801 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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