# Service bulletin PS501\_R1

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.

- Type: Service bulletin
- NHTSA id: 10136617
- Published by NHTSA: 2018\-05\-14
- Manufacturer's number: PS501\_R1
- Manufacturer's date: 2018\-04\-23
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

PITSTOP \- INTEGRATED BRAKE ACTUATION UNIT \(IBAU\) VARIANT CODING \- On 2017\-2018MY Niro \(DE P/HEV\) vehicles, variant coding must be performed for the Integrated Brake Actuation Unit \(IBAU\) after replacement of the IBAU. Follow the procedure outlined in this publication to perform the variant coding.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136617-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136617-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes

## Vehicles listed

- 2017 to 2018 KIA NIRO

## Other bulletins for the same vehicles and component

- [TSB\_CHA098\_R3](/bulletins/10179256.md), 2020-09-03, 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.
- [PS675](/bulletins/10179255.md), 2020-09-03, 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\_R2](/bulletins/10173248.md), 2020-04-07, 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.
- [TSBCHA098\_R1](/bulletins/10164294.md), 2019-09-06, 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.
- [PS560](/bulletins/10145152.md), 2018-10-09, 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.
- [TSBCHA086\_R2](/bulletins/10143406.md), 2018-08-06, Service bulletin: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\). TSB \- SERVICE ACTION: BRAKE PEDAL FEEL LOGIC IMPROVEMENT \(SA325/325A\) \- This bulletin has been revised to include additional information. This bulletin provides the procedure to improve the logic of the Electronic Stability Control/Active Hydraulic Booster \(ESC/AHB\) on all 2017\-2018MY Niro \(DE HEV\) vehicles, produced from November 1, 2016 through October 25, 2017, which is to improve brake pedal feedback and feel to the driver.
- [TSBCHA086R1](/bulletins/10142240.md), 2018-06-25, Service bulletin: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES; ELECTRONIC STABILITY CONTROL \(ESC\). TSB \- SERVICE ACTION: BRAKE PEDAL FEEL LOGIC IMPROVEMENT \(SA325/325A\) \- This bulletin has been revised to include additional information. This bulletin provides the procedure to improve the logic of the Electronic Stability Control/Active Hydraulic Booster \(ESC/AHB\) on all 2017\-2018MY Niro \(DE HEV\) vehicles, produced from November 1, 2016 through October 25, 2017, which is to improve brake pedal feedback and feel to the driver.
- [TSBCHA086](/bulletins/10127028.md), 2018-01-16, Service bulletin: SERVICE BRAKES; ELECTRONIC STABILITY CONTROL \(ESC\). TSB \- SERVICE ACTION: CUSTOMER STATISFACTION BRAKE PEDAL FEEL LOGIC IMPROVEMENT \(SA325\) \- This bulletin provides the procedure to improve the logic of the Electronic Stability Control/Active Hydraulic Booster \(ESC/AHB\) on some 2018MY Niro HEV \(DE\) vehicles, produced from July 24, 2017 through October 25, 2017, which is to address an improved brake pedal feedback and feel to the driver. This improvement does not affect the braking performance or stopping distance.

JSON: [/v1/bulletins/10136617](/v1/bulletins/10136617)

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