VW Code 17729

17729 Description And Summary :
Staring in engine oxygen (lambda) sensor b3 s1, heater return coupling it can suddenly lead to a significantly more load signal, error message from ecu or change bank 2, system too lean off idle is the final reason of the code.

17729 Possible Causes:

17729 vw fault code may be caused by one or more of the following:

Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Injector Circuit Malfunction - Cylinders
Cylinder 4 Contribution/Balance Fault
Cylinder 1 Injector Circuit Low
Exhaust Gas Recirculation Sensor B Circuit High
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 17729 Code

Inspect all the connections butterfly valve control unit 2 (j544), under voltage during basic adjustment
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

17729 Fault Code For Volkswagen Vehicles

The fault code 17729 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 17729 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 65200 - 65540 Code Range

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