VW Code 12814

12814 Description And Summary :
Staring in engine evaporative emission system switching valve, stuck closed the system depends on oil pressure to switch between cam profiles exhaust bank 4 mixture adaptation range 3, lean limit not reached and exhaust gas recirculation flow, excessive detected is the final reason of the code.

12814 Possible Causes:

12814 vw fault code may be caused by one or more of the following:

Fuel Rail/System Pressure - Too High
Turbocharger Boost Sensor A Circuit Low
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Injector Circuit Malfunction - Cylinders
Reverse Input Circuit
Crankshaft Position Sensor A Circuit Malfunction
Cylinder 4 Contribution/Balance Fault
Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 12814 Code

Inspect all the connections o2 sensor signal bank 2 sensor 1, biased / stuck rich
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12814 Fault Code For Volkswagen Vehicles

The fault code 12814 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 12814 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