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Service bulletin Circular 24HF

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10202212
Published by NHTSA2021-11-05
Manufacturer's numberCircular 24HF
Manufacturer's date2021-10-05
NHTSA componentENGINE; ELECTRICAL SYSTEM

NHTSA's summary

Due to a documentation process error, engine control module software was not properly certified. Affected vehicles will be updated to the latest software level. This topic has no impact on vehicle emissions.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine

Vehicles listed
VOLKSWAGEN TAOS2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20225172022-09-15. Engine
22V6870002022-09-14. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
20214962021-08-06. Engine
21V6150002021-08-06. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
V0126032083018_22026-10-06. Service bulletin. Update ECM Control Module Programming
V0116152014815_202026-10-06. Service bulletin. Suggested fuel additive
VOS-26-472026-09-04. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: Part number 3Q0-959-435N software version number 1307 has incorrect coding.
V0126032083018_12026-09-04. Service bulletin. Update Programming of the Engine/Motor Control Module -J623-
VOS-26-422026-08-05. Service bulletin. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: DA 0019 - Hotfix 12-V battery test(s) – No battery diagnosis - Inconclusive test result.
V1718062017813_242026-08-05. Service bulletin. Oil Consumption Measurement and Electronic Oil Consumption Measurement
V1719012012855_812026-07-07. Service bulletin. Volkswagen Engine Oil Standards
V0125042078297_52026-07-07. Service bulletin. Update programming for Evap Emission Control System
TT 13-20-01_32026-07-07. Service bulletin. Instruction, how to lubicate engine before initial start.
TT 10-18-02_22026-07-07. Service bulletin. Lubricating engine components before reassembly.