VW Code 01138

01138 Description And Summary :
The problem is about fuel pressure regulator 2 control circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 1 mixture adaptation range 3, lean limit not reached you can see the valve for pump - jet, cylinder 2 (n241), electrical malfunction is the final reason of the code.

01138 Possible Causes:

01138 vw fault code may be caused by one or more of the following:

Fuel Composition Sensor Circuit Malfunction
Crankshaft Position Sensor A Circuit Low Input
Turbocharger Boost Sensor A Circuit Low
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 01138 Code

Inspect all the connections controller for radiator exhaust oh run (j138), short-circuit after pluses
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01138 Fault Code For Volkswagen Vehicles

The fault code 01138 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 01138 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