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Brake Replacement on ‘19 Causing Warning Lights

717 Views 17 Replies 6 Participants Last post by  RGR
Hey all!

Just replaced pads and rotors on all 4 corners on our 2019 Ascent today. While the job went relatively smoothly, I’m now left with the following warning lights on in the vehicle : ABS, Traction Control, and BRAKE. When driving it also flashes PARK.

I am able to drive the vehicle with no issues aside from the Christmas tree on the dash. I bed the brakes in properly and then parked it due to said lights.

I followed the advice on previous threads and used an INNOVA 5510 diagnostics tool to put the EPB in and out of maintenance mode for this job. The tool now shows a B0400 error code in the ABS/VDC System, but I have yet to find any documentation as to what that is.

Any help here would be greatly appreciated!

Pic of 100k mile rear pads for attention 😂
Hood Wood Rectangle Grey Asphalt
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Similar issue with the dash lights. 99k for mileage. put new pads (2nd time) and new rotors (1st time) on the front a few weeks ago, no issues. had to replace the rear pads and rotors this weekend. used the Innova 5610 to place into brake service mode and changed everything out no issues installing. used the caliper tool from Amazon (8MILELAKE Disc Brake Caliper Compressor Wind Back Tool 24pc Professional Disc Brake Caliper Tool Set) to compress the pistons, went in more straight like old school piston rather then rotating in but worked, and buttoned everything up. brought brakes back online compressing pedal slowly thinking that would release service mode. ended up with all the dash lights and couldn't get them to turn off. did test drive to seat brakes and did not notice any dragging on the brakes. had a trailing vehicle to verify brakes weren't over heating so I didn't burn my Ascent to the ground. set up a service appointment online that night for Monday 5/22 to fix my grounding recall. mentioned to them my Christmas tree lights on the dash and they stated they would look at it with a fee for troubleshooting. waited about an hour in the lobby before service advisor came out, recall was taken care of, and they were able to take the brakes out of service mode and all was good, and no charge by the dealer to boot.
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couldn't find an option in the 5610 to release service mode unfortunately. just received the 5610 unit Sunday AM and may have just missed it but I don't think so. may not be an option on the $300 tool versus the $1,000 tool as I saw on YouTube. there may be a way to "manually" release service mode but only found videos where they slowly compressed the pedal and held at pressure for a short time to release. that didn't work for me though.
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