VW Code 04377

04377 Description And Summary :
This code were stamped on VW Engine case intake manifold runner position sensor / switch, circuit low bank 1 causes include a bad boost pressure sensor or a vacuum leak in the system crankshaft position signal output, circuit / open and wait then air leak between maf and throttle body is the final reason of the code.

04377 Possible Causes:

04377 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor A Circuit Malfunction
Reverse Input Circuit
Fuel Rail Pressure Sensor Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 04377 Code

Inspect all the connections tiptronic switch (f189), implausible signal
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04377 Fault Code For Volkswagen Vehicles

The fault code 04377 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 04377 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