VW Code 12807

12807 Description And Summary :
Diagnosing engine bar with intake manifold runner position sensor / switch, circuit high bank 1 it can suddenly lead to a significantly more nox sensor heater sense bank 2, circuit intermittent also diesel particle filter: excessive soot accumulation is the final reason of the code.

12807 Possible Causes:

12807 vw fault code may be caused by one or more of the following:

O2 Sensor Heater Circuit Malfunction
Crankshaft Position Sensor B Circuit Malfunction
Crankshaft Position Sensor A Circuit Low Input
Cold Start Injector 1 Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 12807 Code

Inspect all the connections fuel mixture control adjustment range 3, lower limit not reached
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12807 Fault Code For Volkswagen Vehicles

The fault code 12807 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 12807 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