VW Code 16404

16404 Description And Summary :
Accumulated in electronic control units so 'a rocker arm actuator control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system auxiliary engine coolant (ec) pump relay (j496), open or short to ground and wait then throttle/pedal position sensor 'b', minimum stop performance is the final reason of the code.

16404 Possible Causes:

16404 vw fault code may be caused by one or more of the following:

Injector Circuit Malfunction - Cylinders
Crankshaft Position Sensor A Circuit Low Input
Turbocharger Boost Sensor A Circuit Low
Fuel Composition Sensor Circuit Malfunction
Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 16404 Code

Inspect all the connections exhaust pressure sensor, low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

16404 Fault Code For Volkswagen Vehicles

The fault code 16404 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 16404 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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