Kia TSB #TSBCHA098

2017 Kia Optima Hybrid

TSB Document:

Affected Component: ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

Summary
TSBCHA098: IBAU SYSTEM REPAIR GUIDE FOR NOISE AND AIR BLEEDING - This bulletin provides the repair guide for the Integrated Brake Actuation Unit (iBAU) system on some 2014-2019MY Kia EV/Hybrid/Plug-In Hybrid vehicles listed (see table), which may exhibit a “Honking” (hissing) noise due to air remaining in the brake fluid system.

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Date Published
AUG 14, 2019
NHTSA TSB #
10164365
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