GROUP
CHA

MODEL
2017-2018MY
Niro (DE HEV)

NUMBER
086 (Rev 2, 07/16/2018)

DATE
December 2017

TECHNICAL SERVICE BULLETIN
SUBJECT:

SERVICE ACTION: BRAKE PEDAL FEEL LOGIC
IMPROVEMENT (SA325/325A)

 NOTICE
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 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. This improvement does not affect the braking performance or
stopping distance. To improve customer satisfaction, apply the improved logic to the ESC/AHB,
using the KDS ECU Upgrade function as described in this bulletin. For confirmation that the
latest reflash has been applied to a vehicle you are working on, verify the ROM ID using the
table on page 2 of this bulletin. Kia is requesting the completion of this Service Action on all
affected vehicles. Before conducting the procedure, verify that the vehicle is included in the list
of affected VINs.

Kia Diagnostic System
(KDS)

 NOTICE

A Service Action is a repair program without customer notification that is performed
during the warranty period. Any dealer requesting to perform this repair outside the
warranty period will require DPSM approval.
Repair status for a VIN is provided on WebDCS (Service → Warranty Coverage →
Warranty Coverage Inquiry → Campaign Information). Not completed Recall / Service
Action reports are available on WebDCS (Consumer Affairs → Not Completed Recall
→ Recall VIN → Select Report), which includes a list of affected vehicles.
This issue number is SA325/325A.
File Under:
Circulate To:

X General Manager


X Service Advisors


X Technicians


X Service Manager


X Parts Manager


X Body Shop Manager  Fleet Repair


Page 2 of 7

SERVICE ACTION: BRAKE PEDAL FEEL LOGIC
IMPROVEMENT (SA325/325A)

SUBJECT:

ECU Upgrade Procedure:
To correct this condition, the ECU should be reprogrammed using the KDS download, as
described in this bulletin.
Upgrade Event Name
365.DE HEV 17MY BRAKE FEELING IMPROVEMENT (ESC/AHB)
355.DE HEV 18MY BRAKE FEELING IMPROVEMENT (ESC/AHB)

 NOTICE









A fully charged battery is necessary before ECU upgrade can take place. It is
recommended that the Midtronics GR8-1299 system be used in ECU mode during
charging. DO NOT connect any other battery charger to the vehicle during ECU
upgrade.
All ECU upgrades must be done with the ignition key in the ‘ON’ position.
Be careful not to disconnect the VCI-II connected to the vehicle during the ECU
upgrade procedure.
DO NOT start the engine during ECU upgrade.
DO NOT turn the ignition key ‘OFF’ or interrupt the power supply during ECU
upgrade.
When the ECU upgrade is completed, turn the ignition ‘OFF’ and wait 10 seconds
before starting the engine.
ONLY use approved ECU upgrade software designated for the correct model, year.

 NOTICE
Before attempting an ECU upgrade on any Kia model, make sure to first determine
whether the particular model is equipped with an immobilizer security system. Failure to
follow proper procedures may cause the PCM to become inoperative after the upgrade
and any claims associated with this repair may be subject to chargeback.

ROM ID INFORMATION TABLE:
Upgrade Event #365 (17MY) & #355 (18MY)
Model

EM

TM

IMMO

ECU P/No.

ROM ID
Previous

4D2BAI1D1216B03
4D2BAJ1E1217116
58500 G5300
4D2BAK1F1317427
4D2BAL1G1317906
17MY
4D2BAI1D1216B04
4D2BAJ1E1217117
58500 G5400
4D2BAL1G1317907
4D2BAK1F1317428
1.6L
DCT
N/A
Kappa
4D2BAK1F1317427
4D2BAL1G1317906
58500 G5300
4D2BAI1D1216B03
4D2BAJ1E1217116
18MY
4D2BAK1F1317428
4D2BAL1G1317907
58500 G5400
4D2BAI1D1216B04
4D2BAJ1E1217117
To verify the vehicle is affected, be sure to check the Calibration Identification of
ROM ID and reference the Information Table as necessary.

TSB: SA325/325A (Rev 2) Niro (DE HEV) December 2017

New
4D2BAM1G1317A19

4D2BAM1G1317A20

4D2BAM1G1317A19

4D2BAM1G1317A20
the vehicle's ECM

Page 3 of 7

SERVICE ACTION: BRAKE PEDAL FEEL LOGIC
IMPROVEMENT (SA325/325A)

SUBJECT:

 NOTICE
Prior to performing the ECU upgrade, be sure to check that the KDS is fully charged.
1.

Connect the VCI-II to the OBD-II
connector, located under the driver’s side
of the instrument panel.

 NOTICE
The ECU upgrade function on
KDS operates wirelessly. It is
not necessary to perform the
upgrade via USB cable.

2.

With the ignition ON, turn ON the KDS
tablet. Select KDS from the home
screen.

3.

Confirm communication with VCI (A) and
then configure the vehicle (B) using the
AUTO VIN (C) feature.

B
A

C
4.

Select ECU Upgrade.

TSB: SA325/325A (Rev 2) Niro (DE HEV) December 2017

Page 4 of 7
SUBJECT:

5.

SERVICE ACTION: BRAKE PEDAL FEEL LOGIC
IMPROVEMENT (SA325/325A)
The KDS will check the server for
recently uploaded Events and then
automatically download Upgrade Event
#365(17MY) or #355(18MY).

 NOTICE
The vehicle must be identified in
Vehicle Selection to download
an Event for that vehicle.

6.

KDS screenshot shown above is for
demonstration purposes only. Events shown in
screenshot are not applicable to this bulletin.

Select Auto Mode.

CAUTION
Do NOT attempt to perform a
Manual Mode upgrade UNLESS
Auto Mode fails. Always follow
the instructions given on the
KDS in either Auto or Manual
mode.
7.

Select the ESCAHB system under the
System selection menu.

D

Touch ID Check (D) and confirm that the
latest update is available.
Select Upgrade Event #365(17MY) or
#355(18MY) and select Upgrade to
continue.

8.

The ECU upgrade will begin and the
progress of the upgrade will appear on
the bar graph. Upgrade part (1/2) (E) will
download the upgrade event to the VCIII. Upgrade part (2/2) (F) will upgrade the
ECU.

CAUTION

E

F

Do not touch the system
buttons (like ‘Back’, ‘Home’,
‘etc.’) while performing ECU
Upgrade.
TSB: SA325/325A (Rev 2) Niro (DE HEV) December 2017

Page 5 of 7
SUBJECT:

9.

SERVICE ACTION: BRAKE PEDAL FEEL LOGIC
IMPROVEMENT (SA325/325A)
If a “Communication Fail” screen
appears, verify that the VCI-II and KDS
are communicating properly. Touch OK
and restart the procedure from step 4.

 NOTICE
If an error notice continues to
appear or if the upgrade cannot
be
performed,
DO
NOT
disconnect
the
KDS/VCI-II.
Contact GIT America Help Desk
at (888) 542-4371 or Techline.
10. When instructed on the KDS, turn the
ignition OFF for ten (10) seconds then
back on. Touch OK to continue.

11. Once the upgrade is complete, touch OK
to finalize the procedure.

12. When prompted, select YES to check for
Diagnostic Trouble Codes (DTC) and
erase any DTCs stored such as EPS,
ESC, and TPMS that may have been set
during the upgrade.

13. Start the engine to confirm proper
operation of the vehicle.
TSB: SA325/325A (Rev 2) Niro (DE HEV) December 2017

Page 6 of 7

SERVICE ACTION: BRAKE PEDAL FEEL LOGIC
IMPROVEMENT (SA325/325A)

SUBJECT:

Manual Upgrade Procedure:

 NOTICE
The manual upgrade should ONLY be performed if the automatic upgrade fails.
If the automatic upgrade fails, turn the ignition OFF for about 10 seconds then place
it back in the ON position to reset the control unit BEFORE performing manual
upgrade.
See table below for Manual Mode passwords.

Manual Mode ECU Upgrade Passwords
Menu
DE HEV (Non SCC): 58500 G5300
DE HEV (SCC): 58500 G5400

Password
5300
5400

1.

Within the ECU Upgrade screen displayed, select Manual Mode.

2.

Select the ESCAHB system under the System selection menu. Select Upgrade Event
#365(17MY) or #355(18MY) and select Upgrade to continue.

3.

Select the appropriate control unit part number with reference to the ROM ID Information
Table on page 2, and select OK.

4.

Enter the appropriate password from the Manual Mode password table above and select
OK.

5.

The upgrade will begin and the progress of the upgrade will appear on the bar graph.

6.

When instructed on the KDS, turn the ignition OFF for ten (10) seconds then back on.
Touch OK to continue.

7.

Once the upgrade is complete, touch OK to finalize the procedure.

8.

When prompted, select YES to check for Diagnostic Trouble Codes (DTC) and erase any
DTCs stored such as EPS, ESC, and TPMS that may have been set during the upgrade.

9.

Start the engine to confirm proper operation of the vehicle.

TSB: SA325/325A (Rev 2) Niro (DE HEV) December 2017

Page 7 of 7

SERVICE ACTION: BRAKE PEDAL FEEL LOGIC
IMPROVEMENT (SA325/325A)

SUBJECT:

AFFECTED VEHICLE RANGE:
Model

Production Date Range

Niro (DE HEV)

November 1, 2016 through October 25, 2017

WARRANTY INFORMATION:
N Code: N99 C Code: C99
Model

Claim
Type

Causal
P/N

Qty.

Repair
Description

Labor
Op Code

17MY

V

58500
G5300

0

(SA325A)
Brake Pedal Feel
Logic Improvement

180007R0

18MY

V

58500
G5300

0

(SA325)
Brake Pedal Feel
Logic Improvement

Op
Time

Replacement
P/N

Qty.

0.3
M/H

N/A

0

170115R0

 NOTICE
VIN inquiry data for this repair is provided for tracking purposes only. Kia retailers
should reference SA325/325A when accessing the WebDCS system.

TSB: SA325/325A (Rev 2) Niro (DE HEV) December 2017