VW Code 09405

09405 Description And Summary :
The problem is about oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded It could be due to limited air getting through your air intake bank 2 sensor 1, internal resistance implausible you can see the bank 2, exhaust cam wave position sensor (g301) / crankshaft position sensor (g28), wrong allocation is the final reason of the code.

09405 Possible Causes:

09405 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Engine Shutoff Solenoid Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Crankshaft Position Sensor A Circuit Low Input
Cold Start Injector 1 Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 09405 Code

Inspect all the connections crash shut-down activated
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

09405 Fault Code For Volkswagen Vehicles

The fault code 09405 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 09405 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