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Service bulletin 23-NA-125

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11000157
Published by NHTSA2024-05-16
Manufacturer's number23-NA-125
Manufacturer's date2024-04-26
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
BRIGHTDROP 600 ELCV2023 to 2024
BRIGHTDROP EV6002022
BRIGHTDROP ZEVO 4002024 (the catalog's model; the bulletin names a series or trim of it)
BRIGHTDROP ZEVO 6002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
BUICK CASCADA2017, 2018, 2019
BUICK ENCLAVE2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
BUICK ENCORE2017, 2018, 2019, 2020, 2021, 2022
BUICK ENCORE2023 to 2024
BUICK ENCORE GX2020, 2021, 2022, 2023, 2024
BUICK ENVISION2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
BUICK ENVISTA2024
BUICK LACROSSE2017, 2018, 2019
BUICK LACROSSE2020
BUICK REGAL2017, 2018, 2019, 2020
BUICK REGAL TOURX2018
BUICK REGAL TOURX2020
BUICK VERANO2017
CADILLAC ATS2017, 2018, 2019
CADILLAC ATS-V2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CT42020, 2021, 2022, 2023, 2024
CADILLAC CT52020, 2021, 2022, 2023, 2024
CADILLAC CT62017, 2018, 2019, 2020
CADILLAC CT62021
CADILLAC CTS2017, 2018, 2019
CADILLAC CTS-V2018 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ELR2017
CADILLAC ESCALADE2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CADILLAC ESCALADE ESV2017, 2018, 2019, 2020, 2021, 2022, 2023
CADILLAC ESCALADE NA2021 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC LYRIQ2023, 2024
CADILLAC LYRIQ EV2023 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC XT42018
CADILLAC XT42019, 2020, 2021, 2022, 2023, 2024
CADILLAC XT52017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CADILLAC XT62020, 2021, 2022, 2023, 2024
CADILLAC XTS2017, 2018, 2019
CADILLAC XTS2020
CHEVROLET 35002017 to 2019
CHEVROLET 35002020
CHEVROLET 35002021
CHEVROLET 35002022
CHEVROLET 3500HD2024
CHEVROLET 45002017 to 2019
CHEVROLET 45002020
CHEVROLET 45002022
CHEVROLET 4500HD2017, 2018, 2019, 2020, 2021, 2022, 2023
CHEVROLET 4500XD2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET 5500HD2017, 2018, 2019, 2020, 2021, 2022, 2023
CHEVROLET 5500XD2018, 2019, 2020, 2021, 2022
CHEVROLET 65002019
CHEVROLET 6500HD2019 to 2023
CHEVROLET BLAZER2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET BLAZER EV2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BOLT EUV2022, 2023
CHEVROLET BOLT EV2017, 2018, 2019, 2020, 2021, 2022, 2023
CHEVROLET BOLT EV2024
CHEVROLET C35002018
CHEVROLET CAMARO2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET CAPRICE2017 to 2018
CHEVROLET CAPRICE POLICE PURSUIT2017
CHEVROLET CAPTIVA2017 to 2018
CHEVROLET CHEVEROLET SS2017
CHEVROLET CITY EXPRESS2018
CHEVROLET COLORADO2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET CORVETTE2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET CORVETTE E-RAY2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CRUZE2017, 2018, 2019
CHEVROLET EQUINOX2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET EXPRESS2017, 2018, 2019, 2020, 2021
CHEVROLET EXPRESS 25002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS CUTAWAY VAN2017, 2018, 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET G45002018
CHEVROLET IMPALA2017, 2018, 2019, 2020
CHEVROLET LOW CAB FORWARD 35002017 to 2019
CHEVROLET LOW CAB FORWARD 45002017
CHEVROLET LOW CAB FORWARD 55002017
CHEVROLET LOW CAB FORWARD 65002018
CHEVROLET MALIBU2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET MALIBU HYBRID2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET N3002018
CHEVROLET N300 MAX2017
CHEVROLET SILVERADO 15002017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 55002019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 55002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO EV2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO LT2018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2017, 2018, 2019, 2020
CHEVROLET SPARK2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET SPARK EV2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SS2018
CHEVROLET SUBURBAN2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET SUBURBAN2024
CHEVROLET SUBURBAN 15002021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET TRAILBLAZER2017 to 2020
CHEVROLET TRAILBLAZER2021, 2022, 2023, 2024
CHEVROLET TRAVERSE2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET TRAX2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET VOLT2017, 2018, 2019
CHEVROLET duplicate SILVERADO 55002019
GMC 3500HD2024
GMC ACADIA2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
GMC CANYON2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
GMC G35002017 to 2018
GMC HUMMER EV PICKUP2022, 2023, 2024
GMC HUMMER EV SUV2024
GMC SAVANA2017, 2018, 2019, 2020, 2021, 2022
GMC SAVANA2024
GMC SAVANA 15002017 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 25002017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 25002023 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 35002017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 35002023 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA EV2024 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
GMC TERRAIN NA2022 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
GMC YUKON DENALI2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2017, 2018, 2019, 2020, 2021, 2022, 2023
GMC YUKON XL 15002023 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20242942024-05-24. Electrical
24V3200002024-05-09. ELECTRICAL SYSTEM:PROPULSION SYSTEM; ELECTRICAL SYSTEM:WIRING
24V1330002024-02-22. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
20232102023-04-06. Electrical
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING
20214072021-07-01. Electrical
21V4210002021-06-10. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
20211662021-03-18. Electrical
21V1890002021-03-18. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
20V7900002020-12-17. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
N242468490-022026-05-28. Service campaign. 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.
N2525290802026-04-01. Service campaign. 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.
PIE0831A2026-03-31. Service bulletin. 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.
PIE0829A2026-03-31. Service bulletin. 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.
N2525155902026-01-27. Service campaign. 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-0612025-11-15. Service bulletin. This technical bulletin provides a procedure to correct the condition of Driver or Passenger Rear Door Handle Will Not Fold In.
25-NA-1192025-10-27. Service bulletin. This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
25-NA-1082025-10-27. Service bulletin. 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-0442025-10-27. Service bulletin. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
24-NA-2352025-10-27. Service bulletin. This technical bulletin provides a procedure to correct the condition of Steering Column Rattle and Turn Signal Over Cancels.