VW Code 12742

12742 Description And Summary :
Staring in engine intake manifold runner bank 1 control, basic setting aborted mechanical limit closed run rough, or might suddenly stall at any given speed data bus powertrain, missing message from steering angle sensor or change reductant / regeneration supply control, circuit high is the final reason of the code.

12742 Possible Causes:

12742 vw fault code may be caused by one or more of the following:

O2 Sensor Heater Circuit Malfunction
Cold Start Injector 1 Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Fuel Rail/System Pressure - Too High
Engine Oil Temperature Sensor Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Engine Shutoff Solenoid Malfunction

What To Check After Fixing 12742 Code

Inspect all the connections power supply voltage terminal 15, open circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12742 Fault Code For Volkswagen Vehicles

The fault code 12742 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 12742 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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