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sprinkles08, ASE Certified Technician
Category: Chevy
Satisfied Customers: 22657
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Brake and antilock lights come on randomly .will go off when

Customer Question

brake and antilock lights come on randomly .will go off when I turn the truck off. 2001 2500 hd diesel. I have breaks but not sure if I have antilock brakes when they come on. I assume a relay is bad.
JA: Have you checked the brake fluid? How's the level and when was it last changed?
Customer: brake fluid level is good. cant tell you when it was changed.
JA: Are you fixing your 2500 yourself? What have you tried so far?
Customer: Pro mechanich only. says it is a code for a relay but he didnt want to do it. more than he wants to do.
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 8 months ago.
Category: Chevy
Expert:  sprinkles08 replied 8 months ago.

Hello and welcome to JustAnswer!

There are dozens of things that can turn the ABS light on. The light will come on when the module sees an issue in the system that will prevent proper operation and sets a fault code. The problem may be a failure in any of the components in the system or associated wiring.

Do you have the exact code number or worded description?