# Service bulletin 20NA127

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: 10178281
- Published by NHTSA: 2020\-08\-10
- Manufacturer's number: 20NA127
- Manufacturer's date: 2020\-06\-04
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

This Technical bulletin provides a procedure to correct a condition of Rear Brake Lights Stay Illuminated All the Time.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10178281-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10178281-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2017 to 2020 CHEVROLET BOLT EV

## Other bulletins for the same vehicles and component

- [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.
- [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.
- [02\-08\-42\-001J](/bulletins/10249011.md), 2024-01-19, Service bulletin: EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
- [21\-NA\-135](/bulletins/10245559.md), 2023-11-29, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
- [01\-08\-42\-001P](/bulletins/10236041.md), 2023-05-09, Service bulletin: EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
- [01\-08\-42\-001O](/bulletins/10232136.md), 2023-02-28, Service bulletin: EXTERIOR LIGHTING. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
- [18\-NA\-279](/bulletins/10232069.md), 2023-02-23, Service bulletin: EXTERIOR LIGHTING; LATCHES/LOCKS/LINKAGES; EQUIPMENT. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
- [010842001N](/bulletins/10200151.md), 2021-08-09, Service bulletin: EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
- [010842001M](/bulletins/10169354.md), 2019-12-16, Service bulletin: EQUIPMENT; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
- [010842001L](/bulletins/10155009.md), 2019-03-25, Service bulletin: EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.

JSON: [/v1/bulletins/10178281](/v1/bulletins/10178281)

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