VW Code 01838

01838 Description And Summary :
Diagnosing engine bar with secondary air injection system bank 1, high air flow retarded timing position, the engine might refuse to start evaporative emission system leak detection pump control, circuit low . On the other hand exhaust bank 4, sensor 2, signal too slowly is the final reason of the code.

01838 Possible Causes:

01838 vw fault code may be caused by one or more of the following:

Engine Oil Temperature Sensor Malfunction
Fuel Composition Sensor Circuit Malfunction
Fuel Rail/System Pressure - Too High
Timing Reference High Resolution Signal A Too Many Pulses
Cylinder 10 Contribution/balance Fault
Crankshaft Position Sensor B Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 01838 Code

Inspect all the connections please check dtc memory of transmission ecu
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01838 Fault Code For Volkswagen Vehicles

The fault code 01838 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 01838 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