BrightDrop Zevo Service Bulletins

358 manufacturer communications on file.

• May 15, 2025•Document ID: 11023388

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  PIE0753I

  Date Added:

  September 30, 2025

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

  Associated Products (35)

  2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Vistiq2025 Cadillac Celestiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado+ 15 more
  Associated Documents

  • DownloadMC-11023388-0001.pdf↗
• May 14, 2025•Document ID: 11023366

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  21-NA-190

  Date Added:

  September 26, 2025

  Manufacturer:

  BRIGHTDROP

  Summary

  This informational bulletin provides information for dealers/technicians on Front License Plate Installation

  Associated Products (4)

  2026 Chevrolet BrightDrop2025 Chevrolet BrightDrop2024 BrightDrop Zevo2023 BrightDrop Zevo
  Associated Documents

  • DownloadMC-11023366-0001.pdf↗
• May 14, 2025•Document ID: 11024498

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-NA-044

  Date Added:

  October 27, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.

  Associated Products (26)

  2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Vistiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup+ 6 more
  Associated Documents

  • DownloadMC-11024498-0001.pdf↗
• May 14, 2025•Document ID: 11024487

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  23-NA-202

  Date Added:

  October 25, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.

  Associated Products (14)

  2025 Cadillac Escalade IQ2025 Chevrolet BrightDrop2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2023 BrightDrop Zevo2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11024487-0001.pdf↗
• May 14, 2025•Document ID: 11023365

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-NA-180

  Date Added:

  September 26, 2025

  Manufacturer:

  GMC

  Summary

  This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.

  Associated Products (87)

  2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado+ 67 more
  Associated Documents

  • DownloadMC-11023365-0001.pdf↗
• May 12, 2025•Document ID: 11024499

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  25-NA-108

  Date Added:

  October 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  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.

  Associated Products (8)

  2025 Cadillac Escalade IQ2025 Chevrolet BrightDrop2025 Chevrolet Silverado2025 GMC Sierra2024 BrightDrop Zevo2024 Chevrolet Silverado2024 GMC Sierra2023 BrightDrop Zevo
  Associated Documents

  • DownloadMC-11024499-0001.pdf↗
• May 9, 2025•Document ID: 11023266

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  PIE0836

  Date Added:

  September 23, 2025

  Manufacturer:

  CADILLAC

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update.

  Associated Products (20)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11023266-0001.pdf↗
• May 8, 2025•Document ID: 11023051

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

  Mfr Comm. #:

  25-NA-118

  Date Added:

  September 10, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.

  Associated Products (257)

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  Associated Documents

  • DownloadMC-11023051-0001.pdf↗
• May 6, 2025•Document ID: 11018430

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6215B

  Date Added:

  May 19, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.

  Associated Products (28)

  2026 Cadillac Vistiq2026 Chevrolet Equinox2026 GMC Terrain2025 Cadillac Escalade2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Equinox+ 8 more
  Associated Documents

  • DownloadMC-11018430-0001.pdf↗
• May 6, 2025•Document ID: 11018429

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6369A

  Date Added:

  May 19, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.

  Associated Products (44)

  2025 Chevrolet Corvette2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2024 BrightDrop Zevo2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XL2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Corvette+ 24 more
  Associated Documents

  • DownloadMC-11018429-0001.pdf↗
• May 5, 2025•Document ID: 11018426

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6129B

  Date Added:

  May 19, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6.

  Associated Products (6)

  2024 BrightDrop Zevo2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2023 BrightDrop Zevo2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11018426-0001.pdf↗
• May 3, 2025•Document ID: 11021680

  Service Bulletin/Repair Instructions
  SEAT BELTS

  Mfr Comm. #:

  25-NA-105

  Date Added:

  August 7, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information for seat belt retractor guide cleaning.

  Associated Products (4)

  2026 Chevrolet BrightDrop2025 Chevrolet BrightDrop2024 BrightDrop Zevo2023 BrightDrop Zevo
  Associated Documents

  • DownloadMC-11021680-0001.pdf↗
• April 30, 2025•Document ID: 11019742

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  24-NA-129

  Date Added:

  June 26, 2025

  Manufacturer:

  BRIGHTDROP

  Summary

  This technical bulletin provides a procedure to correct Water Leak from Around Windshield Area.

  Associated Products (2)

  2024 BrightDrop Zevo2023 BrightDrop Zevo
  Associated Documents

  • DownloadMC-11019742-0001.pdf↗
• April 25, 2025•Document ID: 11019624

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-143

  Date Added:

  June 18, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.

  Associated Products (23)

  2026 Cadillac Lyriq2026 Cadillac Vistiq2025 Cadillac Celestiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo+ 3 more
  Associated Documents

  • DownloadMC-11019624-0001.pdf↗
• April 24, 2025•Document ID: 11019545

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-242

  Date Added:

  June 16, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

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  Associated Documents

  • DownloadMC-11019545-0001.pdf↗
• April 23, 2025•Document ID: 11019625

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-216

  Date Added:

  June 18, 2025

  Manufacturer:

  BRIGHTDROP

  Summary

  This technical bulletin provides repair information to correct a customer concern of BrightDrop Power Passenger Door Inoperable.

  Associated Products (1)

  2024 BrightDrop Zevo
  Associated Documents

  • DownloadMC-11019625-0001.pdf↗
• April 23, 2025•Document ID: 11019548

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-113

  Date Added:

  June 16, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.

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  2026 Cadillac Lyriq2026 Cadillac Vistiq2026 Chevrolet Equinox2026 GMC Terrain2025 Cadillac Celestiq2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL+ 14 more
  Associated Documents

  • DownloadMC-11019548-0001.pdf↗
• April 18, 2025•Document ID: 11017314

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6369

  Date Added:

  April 29, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.

  Associated Products (45)

  2025 Cadillac CT42025 Chevrolet Corvette2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2024 BrightDrop Zevo2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XL2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV+ 25 more
  Associated Documents

  • DownloadMC-11017314-0001.pdf↗
• April 18, 2025•Document ID: 11017310

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6317B

  Date Added:

  April 29, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates if a customer and service tech encounter a gear display after a radio update, to replace the A11 radio for this concern.

  Associated Products (23)

  2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade IQ2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Canyon+ 3 more
  Associated Documents

  • DownloadMC-11017310-0001.pdf↗
• April 17, 2025•Document ID: 11019516

  Service Bulletin/Repair Instructions
  STEERING; SUSPENSION; POWER TRAIN

  Mfr Comm. #:

  PI0281L

  Date Added:

  June 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.

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  Associated Documents

  • DownloadMC-11019516-0001.pdf↗