# Service bulletin PIE0584

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: 10181732
- Published by NHTSA: 2020\-10\-26
- Manufacturer's number: PIE0584
- Manufacturer's date: 2020\-09\-21
- NHTSA component: EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

## NHTSA's summary

This engineering information \(EI\) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181732-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181732-9999.pdf)

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

## Components

Equipment and accessories, Lighting

## Vehicles listed

- 2020 to 2021 CHEVROLET SILVERADO 2500
- 2020 to 2021 GMC SIERRA 2500

## Recalls for the same vehicles and component

- [2024060](/recalls/tc/2024060.md), 2024-02-01: Lights And Instruments
- [2022160](/recalls/tc/2022160.md), 2022-03-31: Accessories
- [2020304](/recalls/tc/2020304.md), 2020-07-03: Lights And Instruments
- [2020165](/recalls/tc/2020165.md), 2020-04-16: Accessories
- [2019494](/recalls/tc/2019494.md), 2019-10-03: Accessories

## 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.
- [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.
- [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.
- [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\-115](/bulletins/11004935.md), 2024-07-18, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Information on Low Beam Headlamp Bulb Diagnosis/Replacement \(Inspect Bulb and Connector\).
- [22\-NA\-244](/bulletins/11000550.md), 2024-05-30, Warranty extension: ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY; UNKNOWN OR OTHER; SERVICE BRAKES. This service bulletin provides information about GM Accessories \- Dealer\-Installed, Repaired or Replaced During Warranty Coverage Period.
- [23\-NA\-064](/bulletins/10254014.md), 2024-05-02, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
- [21\-NA\-155](/bulletins/10253528.md), 2024-04-23, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; EQUIPMENT. This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
- [20\-NA\-132](/bulletins/10253527.md), 2024-04-23, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

JSON: [/v1/bulletins/10181732](/v1/bulletins/10181732)

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