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Ask sprinkles08 Your Own Question
sprinkles08, ASE Certified Technician
Category: Pontiac
Satisfied Customers: 21422
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Abs light on brake light on compressor clutch always on,

Customer Question

abs light on brake light on compressor clutch always on
JA: Is it just the ABS light? Or is the brake system warning light on, too?
Customer: fuses are inside of a rectangular plastic box
JA: What is the model/year of your Pontiac?
Customer: 2009 Matrix (samee \
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: same as the vibe
JA: Anything else you think the mechanic should know?
Customer: just trying to see if the fuse(s) are blown weird looking fuses
Submitted: 2 months ago.
Category: Pontiac
Expert:  sprinkles08 replied 2 months ago.

Hello and welcome to JustAnswer!

The ABS and brake lights will come on when the ABS module has seen a failure in a monitored component and set a fault code.

There are literally dozens of possible causes for the ABS and brake light coming on. the problem could be as simple as a blown fuse or bad brake switch, it could be the ABS module, hydraulic control unit or pump motor, wiring, wheel speed sensors, the brake fluid level switch a steering angle sensor or yaw sensor issue.

The first step in diagnosing the problem will be to use a scan tool or code reader to see what fault codes are setting in the ABS module and then testing can be done from there.

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