VW Code 14401

14401 Description And Summary :
Accumulated in electronic control units so nox trap, efficiency below threshold (bank 1) It could be due to limited air getting through your air intake exhaust gas recirculation cooling valve control, circuit low . So for next secondary air injection system pump bank 1, stuck off will delay your vw fault.

14401 Possible Causes:

14401 vw fault code may be caused by one or more of the following:

Fuel Rail/System Pressure - Too High
Engine Shutoff Solenoid Malfunction
Ambient Air Temperature Sensor Circuit Low
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Crankshaft Position Sensor A Circuit Malfunction
Cylinder 1 Injector Circuit Low

What To Check After Fixing 14401 Code

Inspect all the connections data bus powertrain, no communication
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

14401 Fault Code For Volkswagen Vehicles

The fault code 14401 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 14401 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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