# 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.

- Type: Service bulletin
- NHTSA id: 11014170
- Published by NHTSA: 2025\-02\-11
- Manufacturer's number: 01\-08\-42\-001Q
- Manufacturer's date: 2025\-01\-27
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

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

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014170-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014170-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2016 to 2019 BUICK CASCADA
- 2015 to 2025 BUICK ENCLAVE
- 2015 to 2022 BUICK ENCORE
- 2023 to 2025 BUICK ENCORE
- 2020 to 2025 BUICK ENCORE GX
- 2016 to 2025 BUICK ENVISION
- 2024 to 2025 BUICK ENVISTA
- 2015 to 2019 BUICK LACROSSE
- 2020 BUICK LACROSSE
- 2015 to 2020 BUICK REGAL
- 2018 BUICK REGAL TOURX
- 2020 BUICK REGAL TOURX
- 2015 to 2017 BUICK VERANO
- 2015 to 2019 CADILLAC ATS
- 2015 to 2019 CADILLAC ATS\-V
- 2020 to 2025 CADILLAC CT4
- 2020 to 2025 CADILLAC CT5
- 2015 CADILLAC CT6
- 2016 to 2020 CADILLAC CT6
- 2021 CADILLAC CT6
- 2015 to 2019 CADILLAC CTS
- 2015 to 2016 CADILLAC CTS\-V
- 2018 CADILLAC CTS\-V
- 2015 to 2017 CADILLAC ELR
- 2015 to 2025 CADILLAC ESCALADE
- 2015 to 2016 CADILLAC ESCALADE ESV
- 2017 to 2025 CADILLAC ESCALADE ESV
- 2025 CADILLAC ESCALADE IQ
- 2023 to 2025 CADILLAC LYRIQ
- 2025 CADILLAC OPTIQ
- 2015 to 2016 CADILLAC SRX
- 2018 CADILLAC XT4
- 2019 to 2025 CADILLAC XT4
- 2015 to 2016 CADILLAC XT5
- 2017 to 2025 CADILLAC XT5
- 2020 to 2025 CADILLAC XT6
- 2015 to 2019 CADILLAC XTS
- 2020 CADILLAC XTS
- 2015 CHEVROLET 3500
- 2019 CHEVROLET 6500
- 2019 to 2025 CHEVROLET BLAZER
- 2024 to 2025 CHEVROLET BLAZER EV
- 2022 to 2023 CHEVROLET BOLT EUV
- 2017 to 2023 CHEVROLET BOLT EV
- 2024 CHEVROLET BOLT EV
- 2015 to 2024 CHEVROLET CAMARO
- 2015 to 2018 CHEVROLET CAPRICE
- 2015 to 2017 CHEVROLET CAPRICE POLICE PURSUIT
- 2015 to 2018 CHEVROLET CAPTIVA
- 2015 to 2017 CHEVROLET CHEVEROLET SS
- 2015 to 2016 CHEVROLET CITY EXPRESS
- 2018 CHEVROLET CITY EXPRESS
- 2015 to 2025 CHEVROLET COLORADO
- 2015 to 2025 CHEVROLET CORVETTE
- 2024 CHEVROLET CORVETTE E\-RAY
- 2015 to 2019 CHEVROLET CRUZE
- 2015 to 2025 CHEVROLET EQUINOX
- 2024 to 2025 CHEVROLET EQUINOX EV
- 2015 to 2021 CHEVROLET EXPRESS
- 2023 CHEVROLET EXPRESS
- 2015 to 2019 CHEVROLET EXPRESS 2500
- 2023 to 2024 CHEVROLET EXPRESS 2500
- 2015 to 2024 CHEVROLET EXPRESS 3500
- 2016 CHEVROLET EXPRESS 4500
- 2015 to 2024 CHEVROLET EXPRESS CUTAWAY VAN
- 2018 CHEVROLET G4500
- 2015 to 2020 CHEVROLET IMPALA
- 2015 to 2025 CHEVROLET MALIBU
- 2016 to 2019 CHEVROLET MALIBU HYBRID
- 2017 CHEVROLET N300 MAX
- 2015 to 2025 CHEVROLET SILVERADO 1500
- 2015 to 2025 CHEVROLET SILVERADO 2500
- 2015 to 2025 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 to 2025 CHEVROLET SILVERADO EV
- 2018 CHEVROLET SILVERADO LT
- 2015 to 2020 CHEVROLET SONIC
- 2015 to 2022 CHEVROLET SPARK
- 2015 to 2017 CHEVROLET SPARK EV
- 2015 to 2022 CHEVROLET SUBURBAN
- 2024 CHEVROLET SUBURBAN
- 2021 to 2025 CHEVROLET SUBURBAN 1500
- 2015 to 2025 CHEVROLET TAHOE
- 2015 to 2016 CHEVROLET TAHOE POLICE PURSUIT
- 2015 CHEVROLET TRAILBLAZER
- 2017 to 2020 CHEVROLET TRAILBLAZER
- 2021 to 2025 CHEVROLET TRAILBLAZER
- 2015 to 2025 CHEVROLET TRAVERSE
- 2015 to 2025 CHEVROLET TRAX
- 2015 to 2019 CHEVROLET VOLT
- 2019 CHEVROLET duplicate SILVERADO 5500
- 2024 GMC 3500HD
- 2015 to 2025 GMC ACADIA
- 2015 to 2025 GMC CANYON
- 2017 to 2018 GMC G3500
- 2022 to 2025 GMC HUMMER EV PICKUP
- 2015 to 2024 GMC SAVANA
- 2015 to 2017 GMC SAVANA 1500
- 2015 to 2018 GMC SAVANA 2500
- 2023 GMC SAVANA 2500
- 2015 to 2018 GMC SAVANA 3500
- 2023 GMC SAVANA 3500
- 2025 GMC SAVANA 3500
- 2015 to 2024 GMC SAVANA CUTAWAY VAN
- 2015 to 2025 GMC SIERRA 1500
- 2015 to 2025 GMC SIERRA 2500
- 2015 to 2025 GMC SIERRA 3500
- 2015 to 2020 GMC SIERRA DENALI
- 2024 to 2025 GMC SIERRA EV
- 2015 to 2025 GMC TERRAIN
- 2015 to 2025 GMC YUKON
- 2015 to 2019 GMC YUKON DENALI
- 2015 to 2018 GMC YUKON DENALI XL
- 2015 to 2025 GMC YUKON XL
- 2023 GMC YUKON XL 1500

## Recalls for the same vehicles and component

- [2026165](/recalls/tc/2026165.md), 2026-04-02: Lights And Instruments
- [26V213000](/recalls/nhtsa/26V213000.md), 2026-04-02: EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
- [24V755000](/recalls/nhtsa/24V755000.md), 2024-10-10: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE
- [2024519](/recalls/tc/2024519.md), 2024-09-12: Lights And Instruments
- [2024518](/recalls/tc/2024518.md), 2024-09-12: Lights And Instruments
- [24V673000](/recalls/nhtsa/24V673000.md), 2024-09-12: EXTERIOR LIGHTING:HEADLIGHTS
- [2024060](/recalls/tc/2024060.md), 2024-02-01: Lights And Instruments
- [2023591](/recalls/tc/2023591.md), 2023-11-02: Lights And Instruments
- [2023472](/recalls/tc/2023472.md), 2023-08-24: Lights And Instruments
- [2022700](/recalls/tc/2022700.md), 2022-12-08: Lights And Instruments

## Other bulletins for the same vehicles and component

- [N252541251](/bulletins/11035022.md), 2026-07-15, Service campaign: EXTERIOR LIGHTING. 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\-006U](/bulletins/11026022.md), 2025-12-03, Service bulletin: EXTERIOR LIGHTING. 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\-166](/bulletins/11019325.md), 2025-06-06, Service bulletin: EXTERIOR LIGHTING; STEERING. This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
- [PIE0827](/bulletins/11019324.md), 2025-06-06, Service bulletin: EXTERIOR LIGHTING. 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\-028](/bulletins/11017568.md), 2025-05-02, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Blazer EV Turn Signal Fast Flash.
- [07\-08\-42\-006T](/bulletins/11017243.md), 2025-04-25, Service bulletin: EXTERIOR LIGHTING. 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\-086](/bulletins/11014377.md), 2025-02-20, Service bulletin: EXTERIOR LIGHTING. This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
- [PIT6280A](/bulletins/11014301.md), 2025-02-18, Service bulletin: STRUCTURE:BODY; EXTERIOR LIGHTING. 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.
- [PIT6310](/bulletins/11012244.md), 2025-01-03, Service bulletin: EXTERIOR LIGHTING. This Preliminary information communicates an issue where the rear tail lights may not work and dealership are to replace the tail light assembly.
- [PIT6295](/bulletins/11012025.md), 2024-12-20, Service bulletin: UNKNOWN OR OTHER; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. 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.

JSON: [/v1/bulletins/11014170](/v1/bulletins/11014170)

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