Why don't the brake lights come on?

Asked by May 14, 2014 at 08:45 PM about the Cadillac CTS

Question type: Maintenance & Repair

Why don't the brakes come on?

5 Answers

113,615

Blown fuse, bad switch, broken wiring, bad sockets and or bulbs.

1 people found this helpful.
50

Were does a brake switch goes in a 2004 Cadillac CTS 3.6

5 people found this helpful.
105

In an article I found that fixed my 2004 Cadillac CTS with no brake lights. Cadillac will not tell you, but this is a common problem that is part of a service bulletin that requires reprogramming of the Body Control Module due to computer ground fault of the brake lights. It's about one hour of labor with the cost of both brake light bulb replacement (that's $100 + tax). Find the article in Google Plus - CTS Cadillac Brake Light Not Working - 3rd Brake Light OK."

3 people found this helpful.

To web talker you said you have to reprogram the body control modular how do you do that

113,615

If the BCM actually needs reflashed only the dealer can do it.

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