Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.
Wrenchy
Go-Parts Garage
Expert guides for diagnosing, troubleshooting, and replacing auto parts Expert guides for diagnosing and replacing auto parts
Browse All Articles →
🎬 Helpful Videos 🛍️ Shop This Part

2009 Chevrolet Traverse Brake Light Switch: A Complete Guide

If your Traverse has strange electrical issues like a faulty cruise control or ABS light, the brake light switch could be the surprising cause.

3 minutes to read 2009-2009 Chevrolet Traverse
Difficulty
2/5
Est. Time
0.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$100-$155
🚫 Do not drive — Driving without functional brake lights is illegal and extremely dangerous, as it significantly increases the risk of a rear-end collision.
Key Takeaways
  • Symptoms go beyond lights; watch for issues with cruise control, ABS warnings, or being stuck in Park.
  • A safety recall (NHTSA 09V310000) exists for this part on some vehicles; check if your Traverse is affected.
  • Replacement is a simple, low-cost DIY job for those comfortable working under the dashboard.
  • A quality aftermarket brand like Standard Ignition is a reliable and cost-effective alternative to the OEM part.
The brake light switch on your 2009 Chevrolet Traverse does more than just turn on the brake lights. It's a critical sensor located by the brake pedal that tells the vehicle's main computer when you are braking. This signal is used to operate the rear brake lights, disengage the cruise control, and allow the automatic transmission to shift out of Park. It also sends important information to the Anti-lock Braking System (ABS) and traction control system.

Is Your 2009 Traverse Brake Light Switch Failing?

A faulty brake light switch can cause a range of confusing problems in your 2009 Traverse. Because the switch is tied into multiple vehicle systems, its failure can mimic other, more serious issues. Recognizing the specific symptoms can save you time and money on diagnostics.

Common Symptoms of a Bad Switch:

  • Brake Lights Don't Work or Stay On: The most obvious sign is your brake lights not lighting up when you press the pedal, or staying on constantly even when your foot is off the brake. A light that stays on can drain your battery overnight.
  • 🎬 Watch: Quick temporary fix for brake lights that stay on.
  • Cruise Control Issues: You may find that the cruise control won't turn on, or it might shut off by itself while you're driving. The system thinks you're pressing the brakes, so it deactivates as a safety measure.
  • ABS and Traction Control Lights: The ABS and traction control warning lights may appear on your dashboard. These systems rely on the brake switch signal to function correctly.
  • Stuck in Park: Your Traverse may not shift out of the Park position. A safety feature called the shift interlock prevents you from shifting into gear unless the brake pedal is pressed, and a bad switch fails to send that signal.

Important Safety Recall Information

General Motors issued a safety recall (NHTSA Campaign ID: 09V310000, GM Recall No. 09049) for some 2004-2009 GM vehicles, which can include the Traverse depending on its registration location (primarily southern and southwestern states). The recall addresses potential contamination inside the switch that could cause the brake lights to fail completely or stay on all the time. It is recommended to check with a GM dealer or use the NHTSA website to see if your specific vehicle was covered by this recall.

Choosing the Right Aftermarket Brake Light Switch

When replacing the brake light switch, you have a choice between an original equipment (OEM) part from a dealer and an aftermarket part. For the 2009 Traverse, the OEM part is made by ACDelco.

Aftermarket brands like Standard Ignition (also known as Standard Motor Products or SMP) offer a reliable alternative. Standard Ignition is a well-known manufacturer that produces parts designed to meet or exceed original specifications. Reviews for their switches are generally positive, citing good fit and function at a lower cost than OEM parts. For a simple but critical part like this, a quality aftermarket switch from a reputable brand is a smart and cost-effective choice.

2009 Traverse Brake Light Switch Cost

Part Type Estimated Cost
New OEM (ACDelco) $13 - $30
New Aftermarket (Standard Ignition) $37.15
Shop Labor $100 - $155

Pro Tip: Check the Bulbs First

Before you replace the switch, always check the simple things first. Make sure none of your brake light bulbs are burned out and check the related fuse. This can save you from buying a part you don't need.

Frequently Asked Questions (FAQ)

Can I replace the brake light switch myself?

Yes, this is a DIY-friendly repair for most home mechanics. The switch is located on the brake pedal assembly under the dashboard. The job requires working in a tight space but typically only involves removing a lower trim panel, a 7mm or 10mm bolt, and an electrical connector. It can usually be completed in under an hour.

🎬 Watch: Step-by-step brake pedal position sensor replacement guide.
Why did my ABS and traction control lights come on?

The ABS and traction control systems need to know when you are braking. They use the signal from the brake light switch to make adjustments. If the switch provides an incorrect or missing signal, the system may log a fault and turn on the warning lights as a precaution.

Is a brake light switch the same as a brake pedal position sensor?

The terms are often used interchangeably for this part on the 2009 Traverse. While some vehicles have separate components, the part on the Traverse that controls the brake lights also acts as a position sensor for the vehicle's other computer systems.

🎬 See why you shouldn't overlook these common sensor issues.
What happens if I don't replace a bad brake light switch?

Driving with a faulty brake light switch is a serious safety hazard. If your brake lights don't work, drivers behind you won't know you are stopping, which can easily lead to a rear-end collision. If they are stuck on, it can confuse other drivers and drain your battery.

Pedal Position Sensor Replacement Buick/Chevrolet/GMC/Hummer/Isuzu/Pontiac/Saturn
Pedal Position Sensor Replacement Buick/Chevrolet/GMC/Hummer/Isuzu/Pontiac/Saturn
(Fix) How to replace Brake light Switch . Brake lights stay on
(Fix) How to replace Brake light Switch . Brake lights stay on
2011 Gmc Arcadia brake light switch sensor
2011 Gmc Arcadia brake light switch sensor
Brake pedal position issues  Gmc Acadia Chevy traverse
Brake pedal position issues Gmc Acadia Chevy traverse
Brake pedal position sensor issues  do not over look this Chevy  traverse
Brake pedal position sensor issues do not over look this Chevy traverse
Chevy Traverse brake lights stuck on temp fix
Chevy Traverse brake lights stuck on temp fix

Technical Specifications

OEM Part Numbers: 15163032

6-Terminal Blade Connector, Push-On Attachment, Includes Bracket.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Apr 19, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Brake Light Switch for:
  • Chevrolet Traverse: 2009
In this article
🎬 Helpful Videos
Jump to ▴

Email This Guide

We'll send you a link to this article so you can read it later or share it.

Added to cart · Part