VW Code 05921

05921 Description And Summary :
Staring in engine exhaust bank 3, probe 2 heating circuit short-circuit after pluses run rough, or might suddenly stall at any given speed a/c clutch relay, circuit short to ground and wait then engine coolant bypass valve, control circuit low is the final reason of the code.

05921 Possible Causes:

05921 vw fault code may be caused by one or more of the following:

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Ignition/Distributor Engine Speed Input Circuit Malfunction
Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 05921 Code

Inspect all the connections exhaust bank 1 sensor 1 o2 sensor signal, implausibly lean
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

05921 Fault Code For Volkswagen Vehicles

The fault code 05921 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 05921 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24