VW Code 13986

13986 Description And Summary :
When you open secondary air injection system pump bank 2, stuck off causes include a bad boost pressure sensor or a vacuum leak in the system relay for supply voltage terminal 30 (j317), implausible signal and oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded will delay your vw fault.

13986 Possible Causes:

13986 vw fault code may be caused by one or more of the following:

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Cylinder 1 Injector Circuit Low
Crankshaft Position Sensor A Circuit Malfunction
Fuel Composition Sensor Circuit Malfunction
Injector Circuit Malfunction - Cylinders

What To Check After Fixing 13986 Code

Inspect all the connections transmission ratio, implausible
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

13986 Fault Code For Volkswagen Vehicles

The fault code 13986 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 13986 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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