# 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.

- Type: Service bulletin
- NHTSA id: 11000157
- Published by NHTSA: 2024\-05\-16
- Manufacturer's number: 23\-NA\-125
- Manufacturer's date: 2024\-04\-26
- NHTSA component: ELECTRICAL 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000157-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11000157-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2023 to 2024 BRIGHTDROP 600 ELCV
- 2022 BRIGHTDROP EV600
- 2024 BRIGHTDROP ZEVO 400
- 2023 to 2024 BRIGHTDROP ZEVO 600
- 2017 to 2019 BUICK CASCADA
- 2017 to 2024 BUICK ENCLAVE
- 2017 to 2022 BUICK ENCORE
- 2023 to 2024 BUICK ENCORE
- 2020 to 2024 BUICK ENCORE GX
- 2017 to 2024 BUICK ENVISION
- 2024 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 2024 CADILLAC CT4
- 2020 to 2024 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
- 2021 CADILLAC ESCALADE NA
- 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
- 2017 to 2019 CHEVROLET 3500
- 2020 CHEVROLET 3500
- 2021 CHEVROLET 3500
- 2022 CHEVROLET 3500
- 2024 CHEVROLET 3500HD
- 2017 to 2019 CHEVROLET 4500
- 2020 CHEVROLET 4500
- 2022 CHEVROLET 4500
- 2017 to 2023 CHEVROLET 4500HD
- 2017 to 2022 CHEVROLET 4500XD
- 2017 to 2023 CHEVROLET 5500HD
- 2018 to 2022 CHEVROLET 5500XD
- 2019 CHEVROLET 6500
- 2019 to 2023 CHEVROLET 6500HD
- 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
- 2018 CHEVROLET C3500
- 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 2024 CHEVROLET CORVETTE
- 2024 CHEVROLET CORVETTE E\-RAY
- 2017 to 2019 CHEVROLET CRUZE
- 2017 to 2024 CHEVROLET EQUINOX
- 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 2019 CHEVROLET LOW CAB FORWARD 3500
- 2017 CHEVROLET LOW CAB FORWARD 4500
- 2017 CHEVROLET LOW CAB FORWARD 5500
- 2018 CHEVROLET LOW CAB FORWARD 6500
- 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 2024 CHEVROLET TRAILBLAZER
- 2017 to 2024 CHEVROLET TRAVERSE
- 2017 to 2024 CHEVROLET TRAX
- 2017 to 2019 CHEVROLET VOLT
- 2019 CHEVROLET duplicate SILVERADO 5500
- 2024 GMC 3500HD
- 2017 to 2024 GMC ACADIA
- 2017 to 2024 GMC CANYON
- 2017 to 2018 GMC G3500
- 2022 to 2024 GMC HUMMER EV PICKUP
- 2024 GMC HUMMER EV SUV
- 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 2024 GMC TERRAIN
- 2022 GMC TERRAIN NA
- 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

- [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
- [20V790000](/recalls/nhtsa/20V790000.md), 2020-12-17: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## 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\-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.
- [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\-235](/bulletins/11024497.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; STEERING. This technical bulletin provides a procedure to correct the condition of Steering Column Rattle and Turn Signal Over Cancels.

JSON: [/v1/bulletins/11000157](/v1/bulletins/11000157)

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