VW Code 05665

05665 Description And Summary :
Diagnosing engine bar with hc adsorption catalyst efficiency below threshold bank 1 run rough, or might suddenly stall at any given speed direct ozone reduction catalyst temperature sensor, circuit low . On the other hand transmission control unit relay, short to b+ is the final reason of the code.

05665 Possible Causes:

05665 vw fault code may be caused by one or more of the following:

Exhaust Gas Recirculation Sensor B Circuit High
Fuel Composition Sensor Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Ignition/Distributor Engine Speed Input Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Reverse Input Circuit

What To Check After Fixing 05665 Code

Inspect all the connections hydraulic pressure sensor 1, too low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

05665 Fault Code For Volkswagen Vehicles

The fault code 05665 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 05665 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