traction control and 3rd light issue

Asked by Apr 10, 2013 at 01:22 PM about the 2003 Cadillac CTS Base

Question type: Maintenance & Repair

Just purchased a 03 cts contingent on inspection sticker. The trac control light is on and the cruise
doesnt work as well as the 3rd brake light. I have heard that the second of 2 brake switches is
responsible for this .anyone have this problem? How did you fix it.

2 Answers

101,345

The brake pedal has two switches. One the turns on the brake lights and one that is used for other functions like cruise control. It actually sends a signal to the BCM and the BCM sends power to the CC.

3 of 3 people found this helpful.

Yes I had this problem Traction control light on, cruise control wasn't working and only the long thin trunk brake light lit up when brake was depressed. I fixed the problem by changing all of my brake light bulbs.

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