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Service campaign CC-26-90-01

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 campaign
NHTSA id11028740
Published by NHTSA2026-02-11
Manufacturer's numberCC-26-90-01
Manufacturer's date2026-02-09
Campaign id or software versionECM Version ID: 621–21–96
NHTSA componentELECTRICAL SYSTEM
Manufacturer's systempowertrain: engine electrical

NHTSA's summary

BL1035 update, A software update for MY2025 Karma Vehicles

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

Vehicles listed
KARMA REVERO2025

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

Other bulletins for the same vehicles and component
TB-26-90-012026-08-31. Service bulletin. Alignment of headlamps service procedure
SC-26-01-012026-07-28. Other. Alert to service centers that 12 volt is no longer stocked in the karma distribution center
SC-26-01-012026-07-28. Other. Alert to service centers that 12 volt is no longer stocked in the karma distribution center
SC-25-01-012025-12-04. Other. Information regarding vehicle locked or “Latched” ECMs. Several electronic control units (“ECUs”) found in the Karma Revero are configured in such a way that they are latched to a vehicle as assembled from assembly. This means that these units cannot be used in diagnostics by swapping them to a similar build vehicle. Particularly the ECM on the MY25 will now be latched module after BL1030 and can not be swapped between vehicles.
SC-25-90-022025-11-04. Service bulletin. Install of recommended 12Volt battery maintainer
CC-25-94-022025-03-06. Service campaign. A software update for MY2025 Karma Vehicles
SC-25-90-012025-03-06. Other. Illustrate access to 12-Volt power for jump start and charging