GMC over-the-air update 662.30 KING CRAB
What it saysThis update enables functionality for King Crab mode. NHTSA’s full summary ↓
GMC filed this with NHTSA as an over-the-air update dated Aug 25, 2026, received Oct 2, 2026 — 1 document under this number: 662.30 King Crab. It names 2 model years (2022–2023). 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.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communication• This update enables functionality for King Crab mode. • King Crab mode provides enhanced rear steering for off-road use • To enable this feature, press and hold the right four-wheel steering button on the Drive Mode selector for five seconds • For more information, refer to the Driving and Operating section in the owner's manual
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 662.30 King Crab | Over-the-air update | Aug 25, 2026 | 11037753 | PDF, 196 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 model years this site has no page for: 2022 GMC Hummer EV Pickup.
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 1 model year this bulletin names have filed 1 complaint with NHTSA since 2015.
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for GMC, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is GMC 662.30 KING CRAB 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, or on its page here.
Is the 662.30 KING CRAB 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 662.30 KING CRAB cover?
The manufacturer filed it against 2 model years: 2023 GMC Hummer EV, 2022 GMC Hummer EV Pickup. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.