VW Code 12189

12189 Description And Summary :
Accumulated in electronic control units so linear oxygen sensor exhaust bank 2 / reference voltage, short to ground retarded timing position, the engine might refuse to start transmission mount valve 2 (n263), short to b+ and wait then 'b' rocker arm actuator system, stuck on is the final reason of the code.

12189 Possible Causes:

12189 vw fault code may be caused by one or more of the following:

Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Engine Oil Temperature Sensor Malfunction
Engine Shutoff Solenoid Malfunction
Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 12189 Code

Inspect all the connections tiptronic switch down, circuit short to ground
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12189 Fault Code For Volkswagen Vehicles

The fault code 12189 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 12189 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