VW Code 12104

12104 Description And Summary :
Staring in engine sensor 2 for hydraulic pressure in transmission, open or short to b+ retarded timing position, the engine might refuse to start system too lean at higher load, bank 2 . So for next reductant temperature sensor, circuit range / performance is the final reason of the code.

12104 Possible Causes:

12104 vw fault code may be caused by one or more of the following:

Cylinder 4 Contribution/Balance Fault
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Cylinder 1 Injector Circuit Low
O2 Sensor Heater Circuit Malfunction
Cylinder 10 Contribution/balance Fault
Turbocharger Boost Sensor A Circuit Low
Fuel Rail/System Pressure - Too High

What To Check After Fixing 12104 Code

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

12104 Fault Code For Volkswagen Vehicles

The fault code 12104 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 12104 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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