# Service bulletin 07\-08\-42\-006T

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: 11017243
- Published by NHTSA: 2025\-04\-25
- Manufacturer's number: 07\-08\-42\-006T
- Manufacturer's date: 2025\-03\-25
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017243-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017243-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2007 to 2025 CHEVROLET SILVERADO 1500
- 2019 to 2025 CHEVROLET SILVERADO 2500
- 2019 to 2025 CHEVROLET SILVERADO 3500
- 2007 to 2025 GMC SIERRA 1500
- 2019 to 2025 GMC SIERRA 2500
- 2019 to 2025 GMC SIERRA 3500

## Recalls for the same vehicles and component

- [24V755000](/recalls/nhtsa/24V755000.md), 2024-10-10: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE
- [2024519](/recalls/tc/2024519.md), 2024-09-12: Lights And Instruments
- [2024060](/recalls/tc/2024060.md), 2024-02-01: 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
- [22V903000](/recalls/nhtsa/22V903000.md), 2022-12-08: EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
- [2022348](/recalls/tc/2022348.md), 2022-06-30: Lights And Instruments
- [22V463000](/recalls/nhtsa/22V463000.md), 2022-06-30: EXTERIOR LIGHTING:BRAKE LIGHTS
- [2020304](/recalls/tc/2020304.md), 2020-07-03: Lights And Instruments

## Other bulletins for the same vehicles and component

- [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.
- [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.
- [01\-08\-42\-001Q](/bulletins/11014170.md), 2025-02-11, Service bulletin: EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
- [24\-NA\-152](/bulletins/11011832.md), 2024-12-14, Service bulletin: LANE DEPARTURE: BLIND SPOT DETECTION; EXTERIOR LIGHTING. This bulletin offers Information on Intellibeam Inop, Auto High Beam Headlamps, Side Blind Zone Inop, and/or Side Object Detection Inop.
- [PIT6280](/bulletins/11011226.md), 2024-12-04, Service bulletin: ELECTRICAL SYSTEM; 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 will be made available to repair this concern in the future.
- [24\-NA\-152](/bulletins/11006794.md), 2024-09-03, Service bulletin: EXTERIOR LIGHTING; LANE DEPARTURE: BLIND SPOT DETECTION. This bulletin offers Information on Intellibeam Inop, Auto High Beam Headlamps, Side Blind Zone Inop, and/or Side Object Detection Inop.
- [PIT5918B](/bulletins/11006460.md), 2024-08-16, Service bulletin: EXTERIOR LIGHTING. This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.
- [24\-NA\-005](/bulletins/11005373.md), 2024-08-01, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. This service bulletin provides repair information to correct a customer concern of Headlamps Flashing and/or DTC P0606 Set in Lighting Control Module.

JSON: [/v1/bulletins/11017243](/v1/bulletins/11017243)

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