VW Code 12639

12639 Description And Summary :
Diagnosing engine bar with angle sensors 1 for butterfly valve drive 2 (g297), signal too largely causes include a bad boost pressure sensor or a vacuum leak in the system pressure control valve 1 (n215), open / short to ground and wait then torque management feedback signal "a", range / performance will delay your vw fault.

12639 Possible Causes:

12639 vw fault code may be caused by one or more of the following:

Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Crankshaft Position Sensor A Circuit Low Input
Cold Start Injector 1 Malfunction
Injector Circuit Malfunction - Cylinders
Fuel Rail/System Pressure - Too High

What To Check After Fixing 12639 Code

Inspect all the connections mass-airflow sensor 4 (g457), signal to low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12639 Fault Code For Volkswagen Vehicles

The fault code 12639 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 12639 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