# Service bulletin GCUS\-3\-315

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: 10126410
- Published by NHTSA: 2017\-12\-22
- Manufacturer's number: GCUS\-3\-315
- Manufacturer's date: 2015\-10\-14
- NHTSA component: EXTERIOR LIGHTING:BRAKE LIGHTS

## NHTSA's summary

15582 \- Service Update. This bulletin provides a service procedure to reprogram the EBCM on certain 2014\-2015 model year Cadillac ELR and 2014\-2015 Chevrolet Spark EV vehicles. These vehicles may illuminate the brake lamps for 1 second when the vehicle is decelerating up a 16% grade, but with accelerator pedal input.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10126410-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10126410-0001.pdf)

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

## Components

Lighting, Brake lights

## Vehicles listed

- 2014 to 2015 CADILLAC ELR
- 2014 to 2015 CHEVROLET SPARK EV

## Other bulletins for the same vehicles and component

- [02\-08\-42\-001I](/bulletins/10116890.md), 2017-08-31, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:BRAKE LIGHTS; EXTERIOR LIGHTING:BACK UP LIGHTS. This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
- [PIC5862](/bulletins/10112418.md), 2017-08-15, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM; EXTERIOR LIGHTING:BRAKE LIGHTS. This Preliminary Information communication provides information to the technician about vehicles that have brake lights remain on with the vehicle off and parked and/or the vehicle battery goes dead. Technician will need to inspect for aftermarket parts.
- [SB\-15582](/bulletins/10074770.md), 2016-06-22, Service bulletin: EXTERIOR LIGHTING:BRAKE LIGHTS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

JSON: [/v1/bulletins/10126410](/v1/bulletins/10126410)

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