Karma service campaign ECM VERSION ID: 621–21–96
What it saysBL1035 update, A software update for MY2025 Karma Vehicles NHTSA’s full summary ↓
Karma filed this with NHTSA as a service campaign dated Feb 9, 2026, received Feb 11, 2026, about the electrical system — 1 document under this number: CC-26-90-01. It names 1 model year (2025). A service campaign is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationBL1035 update, A software update for MY2025 Karma Vehicles
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| CC-26-90-01 | Service campaign | Feb 9, 2026 | 11028740 | PDF, 1,013 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themAlso filed against: 2025 Karma Revero.
None of these model years has a page on this site (it covers EPA-certified cars, trucks and SUVs from 2016), so the bulletin is listed here on its own.
More bulletins about the electrical system
Source: same model, same component group8 other manufacturer communications filed against the Karma Revero under the same component group (electrical system), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| SC-26-94-01 | Service bulletin | Jul 10, 2026 | Order and request instructions for Touch panel interfaces, for MY18 and mY19 vehicles |
| SC-26-01-01 | Other | Jun 19, 2026 | Alert to service centers that 12 volt is no longer stocked in the karma distribution center |
| TB-26-90-01 | Service bulletin | May 31, 2026 | Alignment of headlamps service procedure |
| SC-25-90-02 | Service bulletin | Oct 30, 2025 | Install of recommended 12Volt battery maintainer |
| 25.34.64.2 | Service campaign | Mar 6, 2025 | A software update for MY2025 Karma Vehicles |
| SC-24-94-01 | Service bulletin | Feb 29, 2024 | Describing the process to use the diagnostic tool and USB for manual baseline updates of vehicle software when needed. |
| CC-19-00-02 | Service bulletin | Oct 17, 2019 | This document will be used as a reference guide for technicians to update a vehicle to Baseline 1065 (BL1065) software. |
| TB-19-12-01 | Service bulletin | Sep 23, 2019 | Back-up Camera Overlay Harness Installation, if the connector is found to be water damaged, this is the process to apply an overlay to resu… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Karma, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Karma ECM VERSION ID: 621–21–96 a recall?
No. A service campaign is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls.
Is the ECM VERSION ID: 621–21–96 repair free?
A service campaign is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does ECM VERSION ID: 621–21–96 cover?
The manufacturer filed it against 1 model year: 2025 Karma Revero. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.