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Service bulletin 01-08-42-001Q

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 id11014170
Published by NHTSA2025-02-11
Manufacturer's number01-08-42-001Q
Manufacturer's date2025-01-27
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.

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

Lighting

Vehicles listed
BUICK CASCADA2016, 2017, 2018, 2019
BUICK ENCLAVE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
BUICK ENCORE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK ENCORE2023 to 2025
BUICK ENCORE GX2020, 2021, 2022, 2023, 2024, 2025
BUICK ENVISION2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
BUICK ENVISTA2024, 2025
BUICK LACROSSE2015, 2016, 2017, 2018, 2019
BUICK LACROSSE2020
BUICK REGAL2015, 2016, 2017, 2018, 2019, 2020
BUICK REGAL TOURX2018
BUICK REGAL TOURX2020
BUICK VERANO2015, 2016, 2017
CADILLAC ATS2015, 2016, 2017, 2018, 2019
CADILLAC ATS-V2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CT42020, 2021, 2022, 2023, 2024, 2025
CADILLAC CT52020, 2021, 2022, 2023, 2024, 2025
CADILLAC CT62015
CADILLAC CT62016, 2017, 2018, 2019, 2020
CADILLAC CT62021
CADILLAC CTS2015, 2016, 2017, 2018, 2019
CADILLAC CTS-V2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CTS-V2018 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ELR2015, 2016, 2017
CADILLAC ESCALADE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CADILLAC ESCALADE ESV2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CADILLAC ESCALADE IQ2025
CADILLAC LYRIQ2023, 2024, 2025
CADILLAC OPTIQ2025
CADILLAC SRX2015, 2016
CADILLAC XT42018
CADILLAC XT42019, 2020, 2021, 2022, 2023, 2024, 2025
CADILLAC XT52015 to 2016
CADILLAC XT52017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CADILLAC XT62020, 2021, 2022, 2023, 2024, 2025
CADILLAC XTS2015, 2016, 2017, 2018, 2019
CADILLAC XTS2020
CHEVROLET 35002015
CHEVROLET 65002019
CHEVROLET BLAZER2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET BLAZER EV2024, 2025 (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 CAMARO2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET CAPRICE2015 to 2018
CHEVROLET CAPRICE POLICE PURSUIT2015 to 2017
CHEVROLET CAPTIVA2015 to 2018
CHEVROLET CHEVEROLET SS2015 to 2017
CHEVROLET CITY EXPRESS2015, 2016
CHEVROLET CITY EXPRESS2018
CHEVROLET COLORADO2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET CORVETTE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET CORVETTE E-RAY2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CRUZE2015, 2016, 2017, 2018, 2019
CHEVROLET EQUINOX2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET EQUINOX EV2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS2015, 2016, 2017, 2018, 2019, 2020, 2021
CHEVROLET EXPRESS2023
CHEVROLET EXPRESS 25002015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 25002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 45002016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS CUTAWAY VAN2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET G45002018
CHEVROLET IMPALA2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET MALIBU2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET MALIBU HYBRID2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET N300 MAX2017
CHEVROLET SILVERADO 15002015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (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, 2025 (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 SONIC2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET SPARK2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET SPARK EV2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET SUBURBAN2024
CHEVROLET SUBURBAN 15002021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET TAHOE POLICE PURSUIT2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER2015
CHEVROLET TRAILBLAZER2017 to 2020
CHEVROLET TRAILBLAZER2021, 2022, 2023, 2024, 2025
CHEVROLET TRAVERSE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET TRAX2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET VOLT2015, 2016, 2017, 2018, 2019
CHEVROLET duplicate SILVERADO 55002019
GMC 3500HD2024
GMC ACADIA2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
GMC CANYON2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
GMC G35002017 to 2018
GMC HUMMER EV PICKUP2022, 2023, 2024, 2025
GMC SAVANA2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
GMC SAVANA 15002015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 25002015, 2016, 2017, 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 35002015, 2016, 2017, 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 SAVANA 35002025 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA CUTAWAY VAN2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA EV2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
GMC YUKON2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
GMC YUKON DENALI2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
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
20261652026-04-02. Lights And Instruments
26V2130002026-04-02. EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
24V7550002024-10-10. EXTERIOR LIGHTING:LIGHTING CONTROL MODULE
20245192024-09-12. Lights And Instruments
20245182024-09-12. Lights And Instruments
24V6730002024-09-12. EXTERIOR LIGHTING:HEADLIGHTS
20240602024-02-01. Lights And Instruments
20235912023-11-02. Lights And Instruments
20234722023-08-24. Lights And Instruments
20227002022-12-08. Lights And Instruments

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
N2525412512026-07-15. Service campaign. Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For vehicles that are capable of receiving software changes using wireless over-the-air (OTA) technology, owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes via OTA without having to bring their vehicle to a dealership. Alternatively, all owners may have the updates performed at a GM dealer.
07-08-42-006U2025-12-03. Service bulletin. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
21-NA-1662025-06-06. Service bulletin. This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
PIE08272025-06-06. Service bulletin. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the headlamp, turn single and/or daytime running lamps flickering and/or inoperative.
25-NA-0282025-05-02. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Blazer EV Turn Signal Fast Flash.
07-08-42-006T2025-04-25. Service bulletin. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
23-NA-0862025-02-20. Service bulletin. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
PIT6280A2025-02-18. Service bulletin. This Preliminary information communicates that a dealer may install the perimeter rocker lighting kit and find that it will not illuminate. The dealer is advised that updated software is now available to repair this concern.
PIT63102025-01-03. Service bulletin. This Preliminary information communicates an issue where the rear tail lights may not work and dealership are to replace the tail light assembly.
PIT62952024-12-20. Service bulletin. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with the concern of the HUD being inoperative, Engineering is aware and once a fix is available, this PI will be updated.