# Service bulletin 25\-NA\-087 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: 11017595 - Published by NHTSA: 2025\-05\-02 - Manufacturer's number: 25\-NA\-087 - Manufacturer's date: 2025\-04\-03 - NHTSA component: ELECTRICAL SYSTEM ## NHTSA's summary This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017595-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017595-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Electrical system ## Vehicles listed - 2022 BRIGHTDROP EV600 - 2024 BRIGHTDROP ZEVO 400 - 2023 to 2024 BRIGHTDROP ZEVO 600 - 2016 to 2019 BUICK CASCADA - 2013 to 2026 BUICK ENCLAVE - 2013 to 2022 BUICK ENCORE - 2023 to 2025 BUICK ENCORE - 2020 to 2026 BUICK ENCORE GX - 2016 to 2026 BUICK ENVISION - 2024 to 2026 BUICK ENVISTA - 2013 to 2019 BUICK LACROSSE - 2020 BUICK LACROSSE - 2013 BUICK LESABRE - 2013 to 2020 BUICK REGAL - 2018 BUICK REGAL TOURX - 2020 BUICK REGAL TOURX - 2013 to 2017 BUICK VERANO - 2013 to 2019 CADILLAC ATS - 2015 to 2019 CADILLAC ATS\-V - 2026 CADILLAC CELESTIQ - 2020 to 2026 CADILLAC CT4 - 2020 to 2026 CADILLAC CT5 - 2013 to 2015 CADILLAC CT6 - 2016 to 2020 CADILLAC CT6 - 2021 CADILLAC CT6 - 2013 to 2019 CADILLAC CTS - 2014 to 2016 CADILLAC CTS\-V - 2018 CADILLAC CTS\-V - 2014 to 2017 CADILLAC ELR - 2013 to 2026 CADILLAC ESCALADE - 2013 to 2016 CADILLAC ESCALADE ESV - 2017 to 2026 CADILLAC ESCALADE ESV - 2026 CADILLAC ESCALADE ESV IQ - 2026 CADILLAC ESCALADE ESV IQL - 2013 to 2014 CADILLAC ESCALADE EXT - 2013 to 2014 CADILLAC ESCALADE HYBRID - 2025 to 2026 CADILLAC ESCALADE IQ - 2026 CADILLAC ESCALADE IQL - 2023 to 2026 CADILLAC LYRIQ - 2025 to 2026 CADILLAC OPTIQ - 2013 to 2016 CADILLAC SRX - 2026 CADILLAC VISTIQ - 2018 CADILLAC XT4 - 2019 to 2025 CADILLAC XT4 - 2026 CADILLAC XT4 - 2013 to 2016 CADILLAC XT5 - 2017 to 2026 CADILLAC XT5 - 2020 to 2025 CADILLAC XT6 - 2026 CADILLAC XT6 - 2013 to 2019 CADILLAC XTS - 2020 CADILLAC XTS - 2014 to 2015 CHEVROLET 3500 - 2013 CHEVROLET AVALANCHE - 2014 CHEVROLET AVALANCHE - 2013 CHEVROLET AVALANCHE 1500 - 2013 CHEVROLET AVALANCHE 2500 - 2019 to 2026 CHEVROLET BLAZER - 2024 to 2026 CHEVROLET BLAZER EV - 2022 to 2023 CHEVROLET BOLT EUV - 2017 to 2023 CHEVROLET BOLT EV - 2024 CHEVROLET BOLT EV - 2025 to 2026 CHEVROLET BRIGHTDROP 400 - 2025 to 2026 CHEVROLET BRIGHTDROP 600 - 2013 to 2024 CHEVROLET CAMARO - 2013 to 2018 CHEVROLET CAPRICE - 2013 to 2017 CHEVROLET CAPRICE POLICE PURSUIT - 2013 to 2018 CHEVROLET CAPTIVA - 2013 to 2014 CHEVROLET CAPTIVA SPORT - 2014 to 2017 CHEVROLET CHEVEROLET SS - 2015 to 2016 CHEVROLET CITY EXPRESS - 2018 CHEVROLET CITY EXPRESS - 2013 to 2014 CHEVROLET COLORADO - 2015 to 2026 CHEVROLET COLORADO - 2013 to 2025 CHEVROLET CORVETTE - 2026 CHEVROLET CORVETTE CONVERTIBLE - 2026 CHEVROLET CORVETTE COUPE - 2024 CHEVROLET CORVETTE E\-RAY - 2013 to 2019 CHEVROLET CRUZE - 2013 to 2026 CHEVROLET EQUINOX - 2024 to 2026 CHEVROLET EQUINOX EV - 2013 to 2021 CHEVROLET EXPRESS - 2023 to 2026 CHEVROLET EXPRESS - 2013 to 2014 CHEVROLET EXPRESS 1500 - 2013 to 2019 CHEVROLET EXPRESS 2500 - 2023 to 2024 CHEVROLET EXPRESS 2500 - 2026 CHEVROLET EXPRESS 2500 - 2013 to 2024 CHEVROLET EXPRESS 3500 - 2026 CHEVROLET EXPRESS 3500 - 2014 CHEVROLET EXPRESS 4500 - 2016 CHEVROLET EXPRESS 4500 - 2026 CHEVROLET EXPRESS 4500 - 2013 to 2024 CHEVROLET EXPRESS CUTAWAY VAN - 2018 CHEVROLET G4500 - 2013 to 2020 CHEVROLET IMPALA - 2014 CHEVROLET LUMINA - 2013 to 2025 CHEVROLET MALIBU - 2013 to 2014 CHEVROLET MALIBU ECO - 2016 to 2019 CHEVROLET MALIBU HYBRID - 2018 CHEVROLET N300 - 2018 CHEVROLET S10 - 2013 to 2026 CHEVROLET SILVERADO 1500 - 2013 to 2026 CHEVROLET SILVERADO 2500 - 2013 to 2026 CHEVROLET SILVERADO 3500 - 2024 to 2026 CHEVROLET SILVERADO EV - 2018 CHEVROLET SILVERADO LT - 2013 to 2020 CHEVROLET SONIC - 2013 to 2022 CHEVROLET SPARK - 2014 to 2017 CHEVROLET SPARK EV - 2013 to 2024 CHEVROLET SUBURBAN - 2021 to 2026 CHEVROLET SUBURBAN 1500 - 2013 to 2026 CHEVROLET TAHOE - 2013 CHEVROLET TAHOE HYBRID - 2013 to 2016 CHEVROLET TAHOE POLICE PURSUIT - 2013 to 2015 CHEVROLET TRAILBLAZER - 2017 to 2020 CHEVROLET TRAILBLAZER - 2021 to 2026 CHEVROLET TRAILBLAZER - 2013 to 2025 CHEVROLET TRAVERSE - 2013 to 2026 CHEVROLET TRAX - 2013 to 2019 CHEVROLET VOLT - 2024 GMC 3500HD - 2013 to 2026 GMC ACADIA - 2013 GMC CANYON - 2015 to 2026 GMC CANYON - 2013 GMC ENVOY - 2017 to 2018 GMC G3500 - 2022 to 2026 GMC HUMMER EV PICKUP - 2026 GMC HUMMER EV SUV - 2013 to 2026 GMC SAVANA - 2013 to 2017 GMC SAVANA 1500 - 2013 to 2018 GMC SAVANA 2500 - 2023 GMC SAVANA 2500 - 2026 GMC SAVANA 2500 - 2013 to 2018 GMC SAVANA 3500 - 2023 GMC SAVANA 3500 - 2025 to 2026 GMC SAVANA 3500 - 2026 GMC SAVANA 4500 - 2013 to 2024 GMC SAVANA CUTAWAY VAN - 2013 to 2026 GMC SIERRA 1500 - 2013 to 2026 GMC SIERRA 2500 - 2013 to 2026 GMC SIERRA 3500 - 2013 to 2020 GMC SIERRA DENALI - 2024 to 2026 GMC SIERRA EV - 2013 to 2026 GMC TERRAIN - 2013 to 2026 GMC YUKON - 2013 GMC YUKON DENALI - 2015 to 2019 GMC YUKON DENALI - 2013 to 2018 GMC YUKON DENALI XL - 2013 GMC YUKON HYBRID - 2013 to 2014 GMC YUKON XL - 2015 to 2026 GMC YUKON XL - 2023 GMC YUKON XL 1500 - 2013 GMC YUKON XL 2500 ## Recalls for the same vehicles and component - [26V494000](/recalls/nhtsa/26V494000.md), 2026-07-30: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY - [24V937000](/recalls/nhtsa/24V937000.md), 2024-12-18: 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 - [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. - [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. - [25\-NA\-121](/bulletins/11024501.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM. This service bulletin provides information on the radio software related issues to update the radio to the latest software version Y177. - [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. - [25\-NA\-108](/bulletins/11024499.md), 2025-10-27, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides a procedure to inspect and verify the drive shafts are over extending past the 5mm tolerance, causing the customers concern of a fluid leak under the vehicle. - [25\-NA\-044](/bulletins/11024498.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs. - [24\-NA\-202](/bulletins/11024496.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard \(NACS\) DC Adapter Warranty Claim Information. 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