By ALLDATA Tech-Assist Team
Here’s a compilation of some of the “Tech Tips” ALLDATA compiles as its Tech-Assist Team helps technicians tackle vehicle issues. More detail on these tips — including marked-up schematics, images and recommendations — are searchable in the “ALLDATA Community” (https://www.alldata.com/alldata-community).
Chevy Traverse brakes drag, hill-start assist won’t release
Problem: The owner of a 2013 Chevy Traverse (AWD, V6-3.6L, automatic transmission/transaxle) with 123,764 miles said that the hill-start assist system would not release the brakes after stopping on a hill and trying to accelerate. The hill-start assist system is designed to temporarily hold the brakes on while stopped on a hill until the driver can release the brake pedal and push on the accelerator pedal.
Details: The technician connected a scan tool and found no diagnostic trouble codes. He also verified that the vehicle did have the hill-start assist feature. The rear brake shoes were worn out, so he replaced them. He also replaced the electronic brake control module (EBCM). Unfortunately, that did not fix the problem.
A Tech-Assist consultant asked the technician to verify brake switch input to the EBCM. He also advised him to…
