VW Code 13858

13858 Description And Summary :
The problem is about nox sensor heater control bank 1, circuit high It could be due to limited air getting through your air intake linear oxygen sensor exhaust bank 4 / pump current, open circuit also exhaust bank 3, probe 2 no activity is the final reason of the code.

13858 Possible Causes:

13858 vw fault code may be caused by one or more of the following:

Cold Start Injector 1 Malfunction
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 13858 Code

Inspect all the connections data bus powertrain, implausible message of the awd control module
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

13858 Fault Code For Volkswagen Vehicles

The fault code 13858 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 13858 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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