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Ask Chad Farhat Your Own Question
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Buick
Satisfied Customers: 3419
Experience:  Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles
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ABS, traction and brake light is on. Both, 2003 lesabre

Customer Question

ABS, traction and brake light is on.
JA: Is it just the ABS light? Or is the brake system warning light on, too?
Customer: Both
JA: What is the model/year of your Buick?
Customer: 2003 lesabre limited
JA: Are you fixing your LeSabre yourself? What have you tried so far?
Customer: If I can, I would like to. Haven't tried anything. Was told that it was the ABS modul.
JA: Anything else you want the mechanic to know before I connect you?
Customer: No.
Submitted: 9 months ago.
Category: Buick
Expert:  Chad Farhat replied 9 months ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Customer: replied 9 months ago.
Thanks!! Actually, the traction says traction off. All three lights are on.
Expert:  Chad Farhat replied 9 months ago.

Hey how are you

the ABS module is a common failure on this model

but testing is needed to confirm , because we do have 4 abs wheels sensors ,yaw sensor, steering angle sensor ,trac switch etc.. also in the ABS system that could be causing the light on & off.

what you need is a GM diagnostic scanner or equivalent where you can retrieve the fault codes & you can know if it is the module or the sensors.

if scanner was used the sensors can be checked by doing a test drive with scanner hook up and watch if all ABS sensor are reading same speed .

Please let me know if you need anything else on it, just reply back and we will continue

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Thank You
Chad Farhat
ASE Certfied Technician

Expert:  Chad Farhat replied 9 months ago.

if you get some fault codes retrieved , just come back and post them back here and i can help you further

if you are working on it your self

just let me know

Thank You

Chad Farhat

ASE Certified Technician