VW Code 17971

17971 Description And Summary :
Diameter in engine exhaust pressure regulator vent solenoid, control circuit / open It could be due to limited air getting through your air intake reductant injection valve bank 2 unit 1, circuit / open or fuel additive control module warning lamp request will delay your vw fault.

17971 Possible Causes:

17971 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor A Circuit Malfunction
Cylinder 4 Contribution/Balance Fault
Ambient Air Temperature Sensor Circuit Low
Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 17971 Code

Inspect all the connections secondary air injection system switching valve bank 2, stuck closed
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

17971 Fault Code For Volkswagen Vehicles

The fault code 17971 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 17971 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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