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NHTSA ID Number: 10178281
Manufacturer Communication Number: 20NA127
Summary
This Technical bulletin provides a procedure to correct a condition of Rear Brake Lights Stay Illuminated All the Time.
4 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| CHEVROLET | BOLT EV | 2017-2020 |
SEOCONTENT-START
Copyright 2020 General Motors LLC. All Rights Reserved.
Service Bulletin Bulletin No.: 20-NA-127
Date: June, 2020
TECHNICAL
Subject: Rear Brake Lights Stay Illuminated All the Time
Brand: Model:
Model Year: VIN:
Engine: Transmission:
from to from to
Chevrolet Bolt EV 2017 2020 — All All
Involved Region or Country North America, Middle East, Europe, GM Korea Company
Condition Some customers may comment that the rear brake lights stay on all the time and/or stay
on while the vehicle is turned off.
Cause
5608493
The cause of the condition may be a loose/damaged X200 connector at the left A-Pillar
near the floor.
Correction Test for a loose connection at the connector to see if the brake lights will turn on/off. If
found to be loose, repair the connection at the X200 connector.
Page 2 June, 2020 Bulletin No.: 20-NA-127
Service Procedure
If you encounter a vehicle with the above concern,
remove the front side door sill garnish molding and
move the harness above the X200 before unplugging to
see if the brake lights come on or flicker. Refer to Front
Side Door Sill Garnish Molding Replacement in SI.
Open the connector and inspect for internal damage to
the connector and terminals.
• If the X200 connector is not fully seated or
damaged, repair as necessary.
• If the X200 connector is fully seated and no
damage can be found, continue diagnosis
referring to SI.
Parts Information
No parts are required for this repair.
Warranty Information
For vehicles repaired under warranty, please use the
appropriate warranty labor operation based on the
actual cause and repair.
Version 1
Modified Released June 04, 2020
GM bulletins are intended for use by professional technicians, NOT a “do-it-yourselfer”. They are written to inform these
technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper
service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a
job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your
vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.
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TECHNICIAN
CERTIFICATION
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 20-NA-127
Date: June, 2020
https://www.nhtsa.gov/recalls?nhtsaId=10178281
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- Provides visibility of brake light
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Provides visibility of brake light
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Provides visibility of brake light
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Provides visibility of brake light
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. Manufactured to meet or exceed strict quality requirements
- GM regularly updates production and service part designs to integrate new materials and technologies
- Provides visibility of brake light
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Provides visibility of brake light
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Provides visibility of brake light
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Country of origin : China
- Package Dimensions : 12" L x 9" W x 6" H
- Package weight : 3 pounds
- Model number : 25890530
- Auto Part Position: Rear
- Brand: Clipsandfasteners Inc
- Item Package Quantity: 1
- Part Number: A16585
- Use: Signal/Park/Stop/Tail Light Socket
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