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Manufacturer communication · Service bulletin · 4 brands

GM bulletin 23-NA-164

What it saysThis technical bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive Functions Do Not Work). NHTSA’s full summary ↓

GM filed this with NHTSA as a service bulletin dated Mar 14, 2025, received Oct 17, 2023, about the electrical system — 3 documents under this number. It names 98 model years across Chevrolet, GMC, Buick and Cadillac (2018–2025). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.

One page for every brand it was filed under. Each brand’s bulletins: Chevrolet · GMC · Buick · Cadillac.

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What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

This technical bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive Functions Do Not Work).

Kind Service bulletin Manufacturer date Mar 14, 2025 Received by NHTSA Oct 17, 2023 Components Electrical System, Engine, Structure, Equipment First dated Sep 18, 2023

Documents filed under this number

DocumentKindDatedNHTSA idAt NHTSA
23-NA-164Service bulletinMar 14, 202511016948PDF, 324 KB
23-NA-164Service bulletinAug 14, 202411007724PDF, 323 KB
23-NA-164Service bulletinSep 18, 202310244177PDF, 160 KB

What the document itself lists

Parts the bulletin names

Part numberDescriptionQtyFind it
13518569BMPNs eligible for this bulletin—eBay Motors →
13518570BMPNs eligible for this bulletin—eBay Motors →
13518602BMPNs eligible for this bulletin—eBay Motors →
13518603BMPNs eligible for this bulletin—eBay Motors →
13519619BMPNs eligible for this bulletin—eBay Motors →
13519620BMPNs eligible for this bulletin—eBay Motors →
13519648BMPNs eligible for this bulletin—eBay Motors →
13527252——
13527260——
13527261——
13527297——
13527298——
13527827——
13529492——
13529493——
13533809——
13533813——
13533814——
13533817——
13533821——

Labour operation and the time the manufacturer allows

OperationDescriptionTime
2889818GEN3R FOB Relearn0.5 hrs

Read by machine from the document NHTSA serves (9 pages), read Sep 30, 2026. A part number is shown only where it matches GM’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.

Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.

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.

Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.

Find the body for the 2025 Blazer →

Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.

Model years it names

Source: as the manufacturer filed them

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 database

Owners of the 97 model years this bulletin names have filed 8,071 complaints with NHTSA since 2015. 3,589 of them name Engine, Electrical System, Structure — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.

On the 2019 Chevrolet Equinox, the 55 owners who gave an odometer reading for Engine reported it at a median of 5,938 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.

The liftgate of my vehicle began opening on it's own at no apparent interval, but now occurs frequently while waiting for a repair part to come in. This has happened while parked - including in public parking lots (where someone malicious could have entered the vehicle and the closed the liftgate after entering the vehicle - I would have…

2021 Buick Enclave · Structure · filed with NHTSA Jun 15, 2026

There are crackling sounds coming from the wheel when going over humps. no power while driving or changing lanes it's worst when the ac is on, was burning gas like crazy, and shakes at 65 mph., the gas while escalating makes a clicking noise like 2 iron knocking together, and the dashboard including the radio, and telephone screens goes…

2021 Chevrolet Colorado · Electrical System · filed with NHTSA Jul 25, 2023

Engine problem loss of power intermittently no reverse. They replaced clutch parts seals, piston, rings, plates, and plates. Had Vehicle for about 22 days. Driving home after repairs completed. Cluster display- instrument panel went out. Called Dealer and Cadillac assistance. Says there nothing they can do until Cadillac releases a fix.

2024 Cadillac XT5 · Engine · filed with NHTSA Jun 24, 2024

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.

More bulletins about the electrical system

Source: same model, same component group

290 other manufacturer communications filed against these GM models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Chevrolet list.

NumberKindDatedNHTSA’s summary
N242468490-02Service campaignMay 28, 2026Certain vehicles may have missing cavity plugs from the rear chassis harness electrical connector. Dealers are to inspect the rear chassis h…
24-NA-166Service bulletinNov 7, 2025This technical bulletin provides repair information to correct a customer concern of DTC C1171 C1172 C1173 C1174 Tire Pressure Monitor Senso…
24-NA-227Service bulletinNov 4, 2025This technical bulletin provides repair information to correct a customer concern of Vibration Rattle or Boom at 1800 to 2000 RPM.
25-NA-061Service bulletinOct 3, 2025This technical bulletin provides a procedure to correct the condition of Driver or Passenger Rear Door Handle Will Not Fold In.
25-NA-074Service bulletinSep 4, 2025Some customers may comment on rear body structure stop lamp or rear closure signal lamp may be totally inoperative or staying illuminated.
18-NA-180Service bulletinSep 4, 2025This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
23-NA-119Service bulletinSep 3, 2025This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is…
25-NA-249Service bulletinSep 3, 2025This service bulletin provides the correction to the condition of the Malfunction Indicator Lamp being illuminated and/or the DTC P149E set.

Quote the number at the service desk. It is what the dealer’s system is keyed on.

Every manufacturer communication NHTSA holds for Chevrolet, GMC, Buick and Cadillac, by the number printed on the letter.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is GM 23-NA-164 a recall?

No. A service bulletin 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 23-NA-164 repair free?

Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.

Which vehicles does 23-NA-164 cover?

The manufacturer filed it against 98 model years across 4 brands (Chevrolet, GMC, Buick and Cadillac): 2024 Buick Enclave, 2023 Buick Enclave, 2022 Buick Enclave, 2021 Buick Enclave, 2020 Buick Enclave, 2019 Buick Enclave and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.