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Service bulletin Bulletin 2021-4

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 id10191570
Published by NHTSA2021-05-04
Manufacturer's numberBulletin 2021-4
Manufacturer's date2021-04-13
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

Repair Procedure Revision- Brake Light Switch Adjustment Vehicle may indicate brake light switch failure, rear brake light stays ON or flashes intermittently.

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

Lighting

Vehicles listed
CAN-AM RYKER2019, 2020
CAN-AM SPYDER RT2020, 2021 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
23V1750002023-03-17. EXTERIOR LIGHTING:BRAKE LIGHTS
20231372023-03-16. Lights And Instruments

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
Bulletin 2020-62020-08-25. Service bulletin. Repair Procedure Revision- Brake Light Switch Adjustment