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Service bulletins for the 2017 Kia Optima

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

210 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
TSB_CHA098_R32020-09-03. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC:FLUID. TECHNICAL SERVICE BULLETIN: IBAU SYSTEM REPAIR FOR NOISE AND AIR BLEEDING - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. 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 "honking" (Hissing) noise due to air remaining in the brake fluid system.
PS6752020-09-03. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. PITSTOP - BRAKE CALIPER LEAK INSPECTION - This PITSTOP provides information related to a brake caliper fluid/oil substance found on some Kia vehicles, due to possible excess assembly oil applied during assembly.
TSB_CHA098_R22020-04-07. Service bulletin. SERVICE BRAKES, HYDRAULIC. TECHNICAL SERVICE BULLETIN: 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 “Honking” (Hissing) noise due to air remaining in the brake fluid system.
TSBCHA1002019-11-07. Service bulletin. PARKING BRAKE. TECHNICAL SERVICE BULLETIN (TSBCHA100): SERVICE ACTION: AUTONOMOUS EMERGENCY BRAKE (AEB) LOGIC IMPROVEMENT (SA400) - This bulletin provides the procedure to improve the logic of the Autonomous Emergency Brake (AEB) control unit on some 2016-2017MY Optima (JFa), and 2017MY Sorento (UMa), Forte (YDm), and Sedona (YP) vehicles, which may experience unexpected AEB activation in certain circumstances.
TSBCHA098_R12019-09-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. 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 "Honking" (Hissing) noise due to air remaining in the brake fluid system.
PS5602018-10-09. Service bulletin. SERVICE BRAKES, HYDRAULIC. PITSTOP - INTEGRATED BRAKE ACTUATOR UNIT (IBAU) HONK NOISE - This Pitstop provides information regarding the 2017-2018MY Niro (DE P/HEV) and Optima Plug-in/Hybrid (P/HEV) vehicles, which may exhibit an intermittent ?squeaking? and/or ?honking? noise when applying the brakes rapidly. The ?Integrated Brake Actuator Unit? (IBAU) should NOT be replaced for this concern. An IBAU brake bleed should be performed.
PS4572017-02-08. Service bulletin. SERVICE BRAKES; EQUIPMENT. PITSTOP: VARIANT CODING INTEGRATED BRAKE ACTUATION UNITS (IBAU) - WHEN REPLACING THE INTEGRATED BRAKE ACTUATION UNIT, IT IS NECESSARY TO PERFORM VARIANT CODING OF THE NEW MODULE. FOR ADDITIONAL INFORMATION RELATED TO VARIANT CODING CLICK THE VARIANT CODES LINK ON THE KGIS HOME PAGE. (SEE PAGE 2 FOR SAMPLE SCREEN SHOT.)

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.