VW Code 05878

05878 Description And Summary :
Diameter in engine nox sensor heater sense bank 1, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system charging system, voltage high . On the other hand exhaust bank 3, probe 1 tension too largely is the final reason of the code.

05878 Possible Causes:

05878 vw fault code may be caused by one or more of the following:

Turbocharger Boost Sensor A Circuit Low
Cold Start Injector 1 Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Fuel Temperature Sensor B Circuit Range/Performance
Engine Oil Temperature Sensor Malfunction
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 05878 Code

Inspect all the connections pressure control solenoid 5 (n233) open / 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

05878 Fault Code For Volkswagen Vehicles

The fault code 05878 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 05878 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