Q: Multiple warning lights on and speedometer doesn't work

asked by on June 23, 2016

This morning when starting the car, these lights came on: brake, traction control, and airbag lights - all came on and ‘stayed’ on. After driving, the speedometer is no longer working either. So, I replaced the rear brakes (it was time). I had replaced the front pads one month ago. My OBD scan tool now shows no codes are present. The problem doesn’t seem to be related to the ignition. One other note is that the cruise control works well. What do you suggest to correct all these problems?

Hello. It sounds like you have a bad vehicle speed sensor. The sensor fails causing the speedometer not to work, which causes these lights to come on since they need to see a speed signal. The sensor and wiring should be tested first, but it will more than likely need the sensor. If you want to have this repaired, consider YourMechanic, as a certified mechanic can come to your home or office to diagnose your warning lights and resolve these issues.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Steering Issues - 2001 Ford Mustang

Hello, thanks for writing in. The symptoms described are commonly caused by issues with the power steering system. It may be possible that the power steering fluid has run low, or an issue has occurred with the power steering pump....

Truck not shifting out of Park

The shift lock requires the brakes to be pushed in order to get the vehicle out of Park. The brake lights need to be checked to see if they work; the brake switch and wire connector to the switch may...

Oil drained out and engine seized

If the engine will not turn over with the starter, there is a good chance that the engine has seized up due to lack of oil. I would ask for help from one of the mechanics at YourMechanic to inspect...

Related articles

How Long Does a Brake Wheel Cylinder Last?
One One of the most important functions that a car performs every time that it is operated is braking. Without a properly working braking system, it would not be safe to operate your car. With all of the various components...
I Hit the Brakes Very Hard. Did I Create a Flat Spot on My Tires?
Almost Almost everyone, at some point in his or her driving experience, will slam on the brakes. Slamming on the brakes is generally more than just an emotional response to a situation. When you're avoiding an accident or reacting to...
The Best Used Cars to Buy If You’re a Vet
The The best car for a vet to own largely depends on the type of practice he or she has. Large animal vets are probably going to want something that delivers a fair bit of power, and possibly even towing...