# Service bulletin 21\-NA\-068

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.

- Type: Service bulletin
- NHTSA id: 11001972
- Published by NHTSA: 2024\-06\-22
- Manufacturer's number: 21\-NA\-068
- Manufacturer's date: 2024\-06\-08
- NHTSA component: UNKNOWN OR OTHER; ELECTRICAL SYSTEM

## NHTSA's summary

This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017\-2022 and newer model year vehicles with RPO ATH and AVJ.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001972-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001972-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2023 BRIGHTDROP 600 ELCV
- 2017 to 2019 BUICK CASCADA
- 2017 to 2025 BUICK ENCLAVE
- 2017 to 2022 BUICK ENCORE
- 2023 to 2025 BUICK ENCORE
- 2020 to 2024 BUICK ENCORE GX
- 2017 to 2024 BUICK ENVISION
- 2024 to 2025 BUICK ENVISTA
- 2017 to 2019 BUICK LACROSSE
- 2020 BUICK LACROSSE
- 2017 to 2020 BUICK REGAL
- 2018 BUICK REGAL TOURX
- 2020 BUICK REGAL TOURX
- 2017 BUICK VERANO
- 2017 to 2019 CADILLAC ATS
- 2017 to 2018 CADILLAC ATS\-V
- 2020 to 2025 CADILLAC CT4
- 2020 to 2025 CADILLAC CT5
- 2017 to 2020 CADILLAC CT6
- 2021 CADILLAC CT6
- 2017 to 2019 CADILLAC CTS
- 2018 CADILLAC CTS\-V
- 2017 CADILLAC ELR
- 2017 to 2024 CADILLAC ESCALADE
- 2017 to 2023 CADILLAC ESCALADE ESV
- 2023 to 2024 CADILLAC LYRIQ
- 2023 CADILLAC LYRIQ EV
- 2018 CADILLAC XT4
- 2019 to 2024 CADILLAC XT4
- 2017 to 2024 CADILLAC XT5
- 2020 to 2024 CADILLAC XT6
- 2017 to 2019 CADILLAC XTS
- 2020 CADILLAC XTS
- 2018 CHEVROLET 3500
- 2020 CHEVROLET 3500
- 2018 CHEVROLET 4500
- 2020 CHEVROLET 4500
- 2018 CHEVROLET 4500HD
- 2023 CHEVROLET 4500HD
- 2018 CHEVROLET 4500XD
- 2018 CHEVROLET 5500HD
- 2023 CHEVROLET 5500HD
- 2019 CHEVROLET 6500
- 2019 to 2024 CHEVROLET BLAZER
- 2024 CHEVROLET BLAZER EV
- 2022 to 2023 CHEVROLET BOLT EUV
- 2017 to 2023 CHEVROLET BOLT EV
- 2024 CHEVROLET BOLT EV
- 2017 to 2024 CHEVROLET CAMARO
- 2017 to 2018 CHEVROLET CAPRICE
- 2017 CHEVROLET CAPRICE POLICE PURSUIT
- 2017 to 2018 CHEVROLET CAPTIVA
- 2017 CHEVROLET CHEVEROLET SS
- 2018 CHEVROLET CITY EXPRESS
- 2017 to 2024 CHEVROLET COLORADO
- 2017 to 2025 CHEVROLET CORVETTE
- 2024 CHEVROLET CORVETTE E\-RAY
- 2017 to 2019 CHEVROLET CRUZE
- 2017 to 2025 CHEVROLET EQUINOX
- 2024 CHEVROLET EQUINOX EV
- 2017 to 2021 CHEVROLET EXPRESS
- 2023 to 2024 CHEVROLET EXPRESS 2500
- 2023 to 2024 CHEVROLET EXPRESS 3500
- 2017 to 2023 CHEVROLET EXPRESS CUTAWAY VAN
- 2018 CHEVROLET G4500
- 2017 to 2020 CHEVROLET IMPALA
- 2017 to 2024 CHEVROLET MALIBU
- 2017 to 2019 CHEVROLET MALIBU HYBRID
- 2018 CHEVROLET N300
- 2017 CHEVROLET N300 MAX
- 2017 to 2024 CHEVROLET SILVERADO 1500
- 2017 to 2024 CHEVROLET SILVERADO 2500
- 2017 to 2024 CHEVROLET SILVERADO 3500
- 2019 to 2024 CHEVROLET SILVERADO 4500
- 2019 to 2021 CHEVROLET SILVERADO 5500
- 2023 to 2024 CHEVROLET SILVERADO 5500
- 2019 CHEVROLET SILVERADO 6500
- 2021 to 2023 CHEVROLET SILVERADO 6500
- 2025 CHEVROLET SILVERADO 6500
- 2024 CHEVROLET SILVERADO EV
- 2018 CHEVROLET SILVERADO LT
- 2017 to 2020 CHEVROLET SONIC
- 2017 to 2022 CHEVROLET SPARK
- 2017 CHEVROLET SPARK EV
- 2018 CHEVROLET SS
- 2017 to 2022 CHEVROLET SUBURBAN
- 2024 CHEVROLET SUBURBAN
- 2021 to 2024 CHEVROLET SUBURBAN 1500
- 2017 to 2024 CHEVROLET TAHOE
- 2017 to 2020 CHEVROLET TRAILBLAZER
- 2021 to 2025 CHEVROLET TRAILBLAZER
- 2017 to 2025 CHEVROLET TRAVERSE
- 2017 to 2025 CHEVROLET TRAX
- 2017 to 2019 CHEVROLET VOLT
- 2019 CHEVROLET duplicate SILVERADO 5500
- 2017 to 2025 GMC ACADIA
- 2017 to 2024 GMC CANYON
- 2017 to 2018 GMC G3500
- 2022 to 2025 GMC HUMMER EV PICKUP
- 2017 to 2022 GMC SAVANA
- 2024 GMC SAVANA
- 2017 GMC SAVANA 1500
- 2017 to 2018 GMC SAVANA 2500
- 2023 GMC SAVANA 2500
- 2017 to 2018 GMC SAVANA 3500
- 2023 GMC SAVANA 3500
- 2017 to 2024 GMC SIERRA 1500
- 2017 to 2024 GMC SIERRA 2500
- 2017 to 2024 GMC SIERRA 3500
- 2017 to 2020 GMC SIERRA DENALI
- 2024 GMC SIERRA EV
- 2017 to 2025 GMC TERRAIN
- 2017 to 2024 GMC YUKON
- 2017 to 2019 GMC YUKON DENALI
- 2017 to 2018 GMC YUKON DENALI XL
- 2017 to 2023 GMC YUKON XL
- 2023 GMC YUKON XL 1500

## Recalls for the same vehicles and component

- [24V925000](/recalls/nhtsa/24V925000.md), 2024-12-12: FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM
- [2024294](/recalls/tc/2024294.md), 2024-05-24: Electrical
- [24V320000](/recalls/nhtsa/24V320000.md), 2024-05-09: ELECTRICAL SYSTEM:PROPULSION SYSTEM; ELECTRICAL SYSTEM:WIRING
- [24V133000](/recalls/nhtsa/24V133000.md), 2024-02-22: ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
- [2023210](/recalls/tc/2023210.md), 2023-04-06: Electrical
- [23V247000](/recalls/nhtsa/23V247000.md), 2023-04-06: ELECTRICAL SYSTEM:WIRING
- [2021407](/recalls/tc/2021407.md), 2021-07-01: Electrical
- [21V421000](/recalls/nhtsa/21V421000.md), 2021-06-10: AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
- [2021166](/recalls/tc/2021166.md), 2021-03-18: Electrical
- [21V189000](/recalls/nhtsa/21V189000.md), 2021-03-18: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

## Other bulletins for the same vehicles and component

- [N242468490\-02](/bulletins/11032963.md), 2026-05-28, Service campaign: ELECTRICAL SYSTEM. Certain vehicles may have missing cavity plugs from the rear chassis harness electrical connector. Dealers are to inspect the rear chassis harness and replace missing harness plugs as necessary.
- [N252529080](/bulletins/11030439.md), 2026-04-01, Service campaign: ELECTRICAL SYSTEM. Service Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.
- [PIE0831A](/bulletins/11030340.md), 2026-03-31, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This engineering information \(EI\) closure ends the need for gathering further information from technicians in regard to the Malfunction Indicator Lamp \(MIL\) illuminated on Driver Information Center \(DIC\), DTC P0299 Set.
- [PIE0829A](/bulletins/11030339.md), 2026-03-31, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. This engineering information \(EI\) closure ends the need for gathering further information from technicians in regard to the liftgate not opening and/or partially opening.
- [N252515590](/bulletins/11027795.md), 2026-01-27, Service campaign: ELECTRICAL SYSTEM. Certain vehicles listed above, may have a condition in which the body\-to\-chassis ground strap may be corroded. Dealers will replace the ground strap.
- [25\-NA\-021](/bulletins/11026043.md), 2025-12-03, Service bulletin: ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E\-178.1.2\-M174\-SQBR6\-93.3.
- [24\-NA\-227](/bulletins/11025996.md), 2025-12-02, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. This service bulletin provides repair information to correct a customer concern of Vibration Rattle or Boom at 1800 to 2000 RPM.
- [25\-NA\-061](/bulletins/11025554.md), 2025-11-15, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. This technical bulletin provides a procedure to correct the condition of Driver or Passenger Rear Door Handle Will Not Fold In.
- [24\-NA\-227](/bulletins/11025553.md), 2025-11-15, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Vibration Rattle or Boom at 1800 to 2000 RPM.
- [25\-NA\-119](/bulletins/11024500.md), 2025-10-27, Service bulletin: AIR BAGS; ELECTRICAL SYSTEM. This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.

JSON: [/v1/bulletins/11001972](/v1/bulletins/11001972)

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