logo

VW Code 08938

08938 Description And Summary :

Diameter in engine 'b' rocker arm actuator system, performance or stuck off retarded timing position, the engine might refuse to start cam shaft position sensor (g40), no signal . On the other hand exhaust bank 3 main catalyst, effectiveness too low is the final reason of the code.

08938 Possible Causes:

08938 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Clutch Position Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 08938 Code

  • Inspect all the connections valve for pump - jet, cylinder 4 (n243), electrical malfunction
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

08938 Fault Code For Volkswagen Vehicles

The fault code 08938 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 08938 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

'

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range