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Service bulletin TI 54.21U1906A

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 id10170037
Published by NHTSA2020-01-09
Manufacturer's numberTI 54.21U1906A
Manufacturer's date2019-12-19
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

The position of the diagnostic connector does not conform to the CARB requirements.

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, Equipment and accessories

Vehicles listed
SETRA S417 TC2015, 2016, 2017, 2018, 2019

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

Recalls for the same vehicles and component
24V2770002024-04-18. EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR LIFT/RAMP

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
32.30U09032B2020-06-17. Service bulletin. To confirm with a unique State of New Jersey requirement for the kneeling function of motor-coaches, Setra has revised software.
00.00K00128B2019-04-05. Service bulletin. Policy on use of independent services, service providers or external suppliers within defect liability warranty and defect liability warranty extensions on Setra coaches.
54.10K00103C2019-02-19. Service bulletin. Revision to battery testing inspection with Midtronics battery tester.
00.00K00039D2018-05-29. Service bulletin. Conduct in the event of an extraordinary occurrences in the field - updating of
09.20U10454B2018-05-29. Service bulletin. Replacing the securing clamps for the air charge hoses - revision to the
09.20U10454A2018-05-07. Service bulletin. Replacing the securing clamps for the air charge hoses.