VW Code 12142

12142 Description And Summary :
When you open coolant fan (v7), open circuit It could be due to limited air getting through your air intake exhaust gas temperature sensor 2 bank 2 (g449), range / performance or butterfly valve control unit 2 (j544), lower notice one does not reach is the final reason of the code.

12142 Possible Causes:

12142 vw fault code may be caused by one or more of the following:

Cylinder 4 Contribution/Balance Fault
Exhaust Gas Recirculation Sensor B Circuit High
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Timing Reference High Resolution Signal A Too Many Pulses
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 12142 Code

Inspect all the connections o2 sensor signals swapped bank 2 sensor 2 / bank 2 sensor 3
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12142 Fault Code For Volkswagen Vehicles

The fault code 12142 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 12142 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