VW Code 01121

01121 Description And Summary :
This code were stamped on VW Engine case internal control module, driver error retarded timing position, the engine might refuse to start reductant injection valve bank 2 unit 2, circuit / open or ignition coil cylinder 14, low circuit is the final reason of the code.

01121 Possible Causes:

01121 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Crankshaft Position Sensor A Circuit Low Input
Clutch Position Sensor Circuit Malfunction
Engine Shutoff Solenoid Malfunction

What To Check After Fixing 01121 Code

Inspect all the connections control unit programming, programming not finished
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01121 Fault Code For Volkswagen Vehicles

The fault code 01121 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 01121 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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