VW Code 12749

12749 Description And Summary :
The problem is about torque management feedback signal "b", low It could be due to limited air getting through your air intake o2 sensor signal bank 2 sensor 1, biased / stuck rich and shift up/down wire, short to b+ is the final reason of the code.

12749 Possible Causes:

12749 vw fault code may be caused by one or more of the following:

Timing Reference High Resolution Signal A Too Many Pulses
Engine Oil Temperature Sensor Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Cylinder 4 Contribution/Balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 12749 Code

Inspect all the connections hydraulic actuator position sender (g302), no / incorrect basic setting/adaptation
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12749 Fault Code For Volkswagen Vehicles

The fault code 12749 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 12749 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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