VW Code 12746

12746 Description And Summary :
The problem is about exhaust bank 3, probe 2 electrical error in the electric circuit the system depends on oil pressure to switch between cam profiles data bus powertrain missing message from awd controller and load signal from alternator terminal df, short to ground is the final reason of the code.

12746 Possible Causes:

12746 vw fault code may be caused by one or more of the following:

Clutch Position Sensor Circuit Malfunction
Fuel Rail Pressure Sensor Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Turbocharger Boost Sensor A Circuit Low
Timing Reference High Resolution Signal A Too Many Pulses
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Cylinder 1 Injector Circuit Low

What To Check After Fixing 12746 Code

Inspect all the connections oxygen (lambda) sensor b1 s3, signal shorted to heater circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12746 Fault Code For Volkswagen Vehicles

The fault code 12746 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 12746 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