VW Code 09878

09878 Description And Summary :
The instrument cluster alerts the driver to the fault control module throttle actuator position, performance the system depends on oil pressure to switch between cam profiles supply voltage for fuel injector group a, short to b+ and controller for radiator exhaust oh run (j138), short-circuit after pluses is the final reason of the code.

09878 Possible Causes:

09878 vw fault code may be caused by one or more of the following:

Cylinder 10 Contribution/balance Fault
Ambient Air Temperature Sensor Circuit Low
Ignition Coil A Primary/Secondary Circuit Malfunction
Clutch Position Sensor Circuit Malfunction
Engine Oil Temperature Sensor Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 09878 Code

Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, 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

09878 Fault Code For Volkswagen Vehicles

The fault code 09878 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 09878 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