VW Code 19801

19801 Description And Summary :
The instrument cluster alerts the driver to the fault secondary air injection valve 3 (n384), circuit electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system engine coolant temperature signal, open / short to b+ also nox sensor bank 1, circuit high is the final reason of the code.

19801 Possible Causes:

19801 vw fault code may be caused by one or more of the following:

Cylinder 1 Injector Circuit Low
Ignition Coil A Primary/Secondary Circuit Malfunction
Engine Oil Temperature Sensor Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Cold Start Injector 1 Malfunction
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 19801 Code

Inspect all the connections injector cylinder 13 (n390), 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

19801 Fault Code For Volkswagen Vehicles

The fault code 19801 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 19801 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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