VW Code 28477

28477 Description And Summary :
When you open linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit causes include a bad boost pressure sensor or a vacuum leak in the system valve 2 for load pressure control (n274), interruption/short-circuit after mass and wait then fuel mode indicator lamp control, circuit will delay your vw fault.

28477 Possible Causes:

28477 vw fault code may be caused by one or more of the following:

Reverse Input Circuit
Engine Shutoff Solenoid Malfunction
Cylinder 10 Contribution/balance Fault
Glow Plug/Heater Circuit 'A' Malfunction
Clutch Position Sensor Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Cold Start Injector 1 Malfunction

What To Check After Fixing 28477 Code

Inspect all the connections exhaust turbocharger control module 1 (j724), high temperature
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

28477 Fault Code For Volkswagen Vehicles

The fault code 28477 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 28477 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