VW Code 02120

02120 Description And Summary :
When you open turbocharger 2 control module (j725), high temperature causes include a bad boost pressure sensor or a vacuum leak in the system malfunction indication light (k83), electrical malfunction or change exhaust bank 4, sensor 1, electrical error in the electric circuit is the final reason of the code.

02120 Possible Causes:

02120 vw fault code may be caused by one or more of the following:

Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Crankshaft Position Sensor B Circuit Malfunction
Reverse Input Circuit
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 02120 Code

Inspect all the connections valve for exhaust flap 1 (n321), 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

02120 Fault Code For Volkswagen Vehicles

The fault code 02120 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 02120 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