Karma over-the-air update K1-25-1030.RC4
What it saysAll MY25 vehicles in the field will all receive this update over the air. updates to the HCU and infotainment for better connection to the mobile app, and improvements regarding powertrain and battery energy calculations NHTSA’s full summary ↓
Karma filed this with NHTSA as an over-the-air update dated Oct 1, 2025, about the fuel/propulsion system — 1 document under this number: TB-25-94-03. It names 1 model year (2025). An over-the-air update 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 communicationAll MY25 vehicles in the field will all receive this update over the air. updates to the HCU and infotainment for better connection to the mobile app, and improvements regarding powertrain and battery energy calculations
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TB-25-94-03 | Over-the-air update | Oct 1, 2025 | 11023474 | PDF, 285 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 fuel/propulsion system
Source: same model, same component group3 other manufacturer communications filed against the Karma Revero under the same component group (fuel/propulsion system), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TB-24-12-01-.02 | Service bulletin | May 4, 2026 | new component is available, instructions how to install are provided. this is an update to a bulletin from 2024 (TB-24-12-01) |
| TB-24-12-01 | Service bulletin | Nov 7, 2024 | A new bracket is provided to reposition the Diagnostic Module TL for best performance in the vehicle. |
| SC-24-12-01 | Other | Jun 21, 2024 | On complaint of relative Fuel tank isolation valve (“FTIV”) diagnostic trouble codes presented, this guide should aid the technician to bett… |
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 K1-25-1030.RC4 a recall?
No. A over-the-air update 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 K1-25-1030.RC4 repair free?
A over-the-air update 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 K1-25-1030.RC4 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.