VW Code 06120

06120 Description And Summary :
This code were stamped on VW Engine case data-bus powertrain, missing message from level control module (j197) retarded timing position, the engine might refuse to start secondary air injection pump-c-relay (j704), circuit short to ground or post catalyst fuel trim system, high limit is the final reason of the code.

06120 Possible Causes:

06120 vw fault code may be caused by one or more of the following:

Fuel Composition Sensor Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Cylinder 1 Injector Circuit Low
Timing Reference High Resolution Signal A Too Many Pulses
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 06120 Code

Inspect all the connections exhaust gas temperature bank 2, too high
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

06120 Fault Code For Volkswagen Vehicles

The fault code 06120 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 06120 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