# Service bulletin PIT5985F 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: 11011476 - Published by NHTSA: 2024\-12\-05 - Manufacturer's number: PIT5985F - Manufacturer's date: 2024\-10\-28 - NHTSA component: ELECTRICAL SYSTEM ## NHTSA's summary This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011476-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011476-9999.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 - 2021 to 2025 BUICK ENVISION - 2020 to 2025 CADILLAC CT4 - 2020 to 2025 CADILLAC CT5 - 2021 to 2024 CADILLAC ESCALADE - 2021 to 2024 CADILLAC ESCALADE ESV - 2023 to 2025 CADILLAC LYRIQ - 2025 CADILLAC XT4 - 2025 CHEVROLET BLAZER EV - 2023 to 2025 CHEVROLET COLORADO - 2020 to 2025 CHEVROLET CORVETTE - 2025 CHEVROLET EQUINOX EV - 2022 to 2025 CHEVROLET SILVERADO 1500 - 2025 CHEVROLET SILVERADO 2500 - 2025 CHEVROLET SILVERADO 3500 - 2025 CHEVROLET SILVERADO EV - 2021 to 2022 CHEVROLET SUBURBAN - 2024 CHEVROLET SUBURBAN - 2023 CHEVROLET SUBURBAN 1500 - 2025 CHEVROLET SUBURBAN 1500 - 2021 to 2025 CHEVROLET TAHOE - 2024 to 2025 CHEVROLET TRAVERSE - 2024 GMC ACADIA - 2023 to 2024 GMC CANYON - 2022 to 2025 GMC HUMMER EV PICKUP - 2022 to 2025 GMC SIERRA 1500 - 2025 GMC SIERRA 2500 - 2025 GMC SIERRA 3500 - 2021 to 2025 GMC YUKON - 2021 to 2025 GMC YUKON XL ## Recalls for the same vehicles and component - [26V494000](/recalls/nhtsa/26V494000.md), 2026-07-30: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY - [25V483000](/recalls/nhtsa/25V483000.md), 2025-07-24: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY - [25V356000](/recalls/nhtsa/25V356000.md), 2025-05-29: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO \(TOUCH\)SCREEN/MONITOR/UNIT - [24V937000](/recalls/nhtsa/24V937000.md), 2024-12-18: FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM - [24V925000](/recalls/nhtsa/24V925000.md), 2024-12-12: FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM - [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 - [23V682000](/recalls/nhtsa/23V682000.md), 2023-10-12: ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE - [23V367000](/recalls/nhtsa/23V367000.md), 2023-05-25: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY - [22V771000](/recalls/nhtsa/22V771000.md), 2022-10-13: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY ## Other bulletins for the same vehicles and component - [N252514001](/bulletins/11037980.md), 2026-10-05, Service campaign: ELECTRICAL SYSTEM. Service Update. Certain vehicles listed above may enable the new King Crab Feature through OTA programming or programming at the dealer. Dealers will perform a comprehensive software update. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over\-the\-air \(OTA\) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates. - [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. - [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\-272](/bulletins/11026032.md), 2025-12-03, Service bulletin: ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. This technical bulletin provides repair information to correct a customer concern of Park Assist False Alerts on Z71 Traverse. - [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. - [24\-NA\-166](/bulletins/11025974.md), 2025-12-02, Service bulletin: WHEELS; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of DTC C1171 C1172 C1173 C1174 Tire Pressure Monitor Sensor Unable to Relearn Ethernet Cable Overlay for TCP OnStar Module. - [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. JSON: [/v1/bulletins/11011476](/v1/bulletins/11011476) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20PIT5985F&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11011476&vehicle=Service%20bulletin%20PIT5985F)