Service Brake Assist Message

Rdr854

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I periodically get a service brake assist message on the DIC of my 2019 Suburban when starting the motor after fueling. The message is there for a few seconds and then disappears. There is no check engine light and no apparent degradation in brake performance.

What is going on?
 

Doubeleive

Wes
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I periodically get a service brake assist message on the DIC of my 2019 Suburban when starting the motor after fueling. The message is there for a few seconds and then disappears. There is no check engine light and no apparent degradation in brake performance.

What is going on?
possibly low brake fluid or brake fluid level sensor if equipped.
 

Doubeleive

Wes
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I think on these k2's there is a seal that goes or can go bad on the brake vacuum also
 

SuperOldSchool

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Had this same thing. Was some sensors in the rear . Replaced under warranty .
 

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