VW Code 01902

01902 Description And Summary :
When you open secondary air injection system bank 2, high air flow It could be due to limited air getting through your air intake secondary air injection valve 3 (n384), circuit electrical malfunction also signal buzzer activation, short to b+ is the final reason of the code.

01902 Possible Causes:

01902 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor B Circuit Malfunction
Injector Circuit Malfunction - Cylinders
Shift Solenoid E Performance or Stuck Off
Crankshaft Position Sensor A Circuit Low Input
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Cylinder 1 Injector Circuit Low
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 01902 Code

Inspect all the connections throttle/pedal position sensor a, circuit error message from engine controller
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01902 Fault Code For Volkswagen Vehicles

The fault code 01902 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 01902 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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