VW Code 14721

14721 Description And Summary :
The instrument cluster alerts the driver to the fault o2 sensor pumping current trim bank 2 sensor 1, circuit / open mechanic will need to check all electrical connections in the camshaft sensor valve for exhaust flap 1 (n321), short to b+ or throttle/pedal position sensor / switch 'd' / 'f', voltage correlation is the final reason of the code.

14721 Possible Causes:

14721 vw fault code may be caused by one or more of the following:

Fuel Composition Sensor Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Engine Shutoff Solenoid Malfunction
Crankshaft Position Sensor B Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 14721 Code

Inspect all the connections engine coolant bypass valve, control circuit low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

14721 Fault Code For Volkswagen Vehicles

The fault code 14721 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 14721 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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