TSB Document:

Affected Component: SERVICE BRAKES, HYDRAULIC

Summary
This bulletin describes the procedure to properly bleed the brakes on Sonata HEV/PHEV (LF) and Ioniq EV/HEV/PHEV (AE) vehicles. This procedure applies when any air is introduced into the Active Hydraulic Boost (AHB) system, which consists of the pressure supply unit (PSU), and the integrated brake actuation unit (IBAU). Improper bleeding of the brake system can result in the presence of air, which may reduce braking effectiveness.

Click a tab for more information.

Date Published
FEB 12, 2020
NHTSA TSB #
10172147
Find something helpful? Spread the word.

Become a Fan & Spread the Word