TSB Document:

Affected Component: SERVICE BRAKES, HYDRAULIC

Summary
TSBCHA098_R1: IBAU SYSTEM REPAIR FOR NOISE AND AIR BLEEDING - This bulletin has been revised to include additional information. This bulletin provides the repair procedure for the Integrated Brake Actuation Unit (iBAU) system on some 2014-2019MY EV/Hybrid/Plug-In Hybrid vehicles listed (see table), which may exhibit a "€œHonking"€ (Hissing) noise due to air remaining in the brake fluid system.

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Date Published
AUG 28, 2019
NHTSA TSB #
10164294
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