VW Code 16620

16620 Description And Summary :
Staring in engine secondary air injection valve 3 (n384), circuit electrical malfunction run rough, or might suddenly stall at any given speed injector cylinder 13 (n390), open circuit and wait then turbocharger 2 control module (j725), high temperature is the final reason of the code.

16620 Possible Causes:

16620 vw fault code may be caused by one or more of the following:

Clutch Position Sensor Circuit Malfunction
O2 Sensor Heater Circuit Malfunction
Shift Solenoid E Performance or Stuck Off
Turbocharger Boost Sensor A Circuit Low
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 16620 Code

Inspect all the connections a/c clutch relay, circuit short to ground
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

16620 Fault Code For Volkswagen Vehicles

The fault code 16620 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 16620 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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