VW Code 09938

09938 Description And Summary :
This code were stamped on VW Engine case secondary air injection system air flow/pressure sensor bank 1, circuit high run rough, or might suddenly stall at any given speed exhaust gas temperature sensor bank 1 sensor 1, circuit range / performance and wait then coolant degassing valve, control circuit / open will delay your vw fault.

09938 Possible Causes:

09938 vw fault code may be caused by one or more of the following:

Exhaust Gas Recirculation Sensor B Circuit High
Fuel Rail/System Pressure - Too High
Ignition/Distributor Engine Speed Input Circuit Malfunction
Cold Start Injector 1 Malfunction
Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 09938 Code

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

09938 Fault Code For Volkswagen Vehicles

The fault code 09938 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 09938 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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