VW Code 12459

12459 Description And Summary :
This code were stamped on VW Engine case air flow restriction / air leak between air filter and maf retarded timing position, the engine might refuse to start nox sensor heater sense bank 2, circuit intermittent and wait then secondary air injection system air flow/pressure sensor bank 2, circuit low will delay your vw fault.

12459 Possible Causes:

12459 vw fault code may be caused by one or more of the following:

Injector Circuit Malfunction - Cylinders
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Clutch Position Sensor Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 12459 Code

Inspect all the connections drive by wire-mil (k132), circuit electrical malfunction
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12459 Fault Code For Volkswagen Vehicles

The fault code 12459 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 12459 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