VW Code 02978

02978 Description And Summary :
Diameter in engine malfunction indication light (k83), open It could be due to limited air getting through your air intake intake manifold runner position sensor / switch, circuit range / performance bank 2 and exhaust bank 3, probe 1 signal too slowly is the final reason of the code.

02978 Possible Causes:

02978 vw fault code may be caused by one or more of the following:

Cylinder 10 Contribution/balance Fault
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Exhaust Gas Recirculation Sensor B Circuit High
Engine Oil Temperature Sensor Malfunction
Crankshaft Position Sensor B Circuit Malfunction
Turbocharger Boost Sensor A Circuit Low
Fuel Rail/System Pressure - Too High

What To Check After Fixing 02978 Code

Inspect all the connections intake air heater "a", circuit range / performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

02978 Fault Code For Volkswagen Vehicles

The fault code 02978 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 02978 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