VW Code 11123

11123 Description And Summary :
When you open signal for back-up lights, short to b+ It could be due to limited air getting through your air intake secondary air injection system air flow/pressure sensor bank 1, circuit . On the other hand fuel pump circuit, electrical malfunction is the final reason of the code.

11123 Possible Causes:

11123 vw fault code may be caused by one or more of the following:

Shift Solenoid E Performance or Stuck Off
Fuel Composition Sensor Circuit Malfunction
Crankshaft Position Sensor A Circuit Malfunction
Cylinder 4 Contribution/Balance Fault
Cylinder 1 Injector Circuit Low
Fuel Rail Pressure Sensor Circuit Malfunction
Engine Shutoff Solenoid Malfunction

What To Check After Fixing 11123 Code

Inspect all the connections fuel pump "b", low flow / performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

11123 Fault Code For Volkswagen Vehicles

The fault code 11123 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 11123 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