GROUP
Campaign
DATE

Technical Service Bulletin
SUBJECT
:

November,
2019

NUMBER
19-01-036H
MODEL(S)
Ioniq (AE)
HEV/PHEV/EV,
Kona (OS) EV

ELECTRIC WATER PUMP (EWP) CAN CASE REPLACEMENT
- (CAMPAIGN T4G)

*** Dealer Stock and Retail Vehicles ***
Dealers must perform this Service Campaign on all affected vehicles prior to customer retail delivery
and whenever an affected vehicle is in the shop for any maintenance or repair.
When a vehicle arrives at the Service Department, access Hyundai Motor America's "Warranty
Vehicle Information" screen via WEBDCS to identify open Campaigns.

Description:
Certain vehicles may incur dash warning light(s) On with DTC(s) stored including either of the
following DTC:



U1116 - Lost Communication With Motor Electronics Coolant Pump (C-CAN)
U1118 - Lost Communication With Hybrid/EV Battery Electronic Coolant Pump (P-CAN)

The vehicle may operate in limp home at a reduced power.
The above DTC(s) may occur due to coolant leaking into the Electric Water Pump (EWP) Can Case
and may have an intermittent electrical connection.
This bulletin provides instructions to inspect the vehicle’s EWP assembly. The Can Case of the EWP
or the full EWP Assembly will be replaced depending on the EWP inspection result. The EWP’s
connector may also need to be replaced with a wiring harness kit if contamination is confirmed.
Perform the inspection procedure as outlined on page-7.


1 qty. EWP will be inspected in Ioniq HEV/PHEV/EV vehicles.



2 qty. EWP will be inspected in the Kona Electric (Electrical devices EWP and Battery EWP).

Applicable Vehicles:
 2019 Ioniq Hybrid (AE HEV)
 2019 Ioniq Plug In Hybrid (AE PHEV)
 2019 Ioniq Electric Vehicle (AE EV)
 2019 Kona Electric Vehicle (OS EV)
.

Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair

SUBJECT:

ELECTRIC WATER PUMP (EWP) CAN CASE REPLACEMENT – (CAMPAIGN T4G)

Parts Information:
NOTE: *Actual quantity of each part depends on section-C (page-7) EWP inspection result.
Can Case Parts:
(Applicable when no coolant contamination is found by the section-C EWP inspection)
MODEL
Ioniq (AE)
Hybrid/
Plug-In
Ioniq (AE)
Electric
Kona (OS)
Electric

PART NUMBER

DESCRIPTION

QUANTITY

CAN CASE KIT

1 per
vehicle*

36900-2B109QQH

PICTURE

36910-0E509QQH

36910-0E659QQH

CAN CASE KIT

OS EV
up to 2 per
vehicle*

EWP Assembly Parts:
(Applicable when coolant contamination is confirmed by the section-C EWP inspection).
MODEL
Ioniq (AE)
Hybrid/
Plug-In
Ioniq (AE)
Electric

PART NUMBER
36900-2B100QQH

QUANTITY

PICTURE

1 per
vehicle*

36910-0E500QQH
Electrical Devices EWP:

Kona (OS)
Electric

DESCRIPTION

EWP ASSY

36910-0E650QQH

1 of each
type
per vehicle*

Battery EWP:

375W5-K4000QQH
EWP Wiring Harness Part:
(Applicable when coolant contamination is confirmed inside the EWP connection).
MODEL

PART NUMBER

DESCRIPTION

QUANTITY

PICTURE

Ioniq (AE)

1 per vehicle*
All Models

36910-G2912QQH

WIRING
HARNESS
-EWP

TSB #: 19-01-036H

Kona (OS)
Electric up to 2
per vehicle*

Page 2 of 11
SUBJECT:

SUBJECT:

ELECTRIC WATER PUMP (EWP) CAN CASE REPLACEMENT – (CAMPAIGN T4G)

Warranty Information:
MODEL

OP CODE

OPERATION

OP
TIME

CAUSAL
P/N

Ioniq (AE)
Hybrid/
Plug-In/
Electric

90C030R0

EWP INSPECTION AND EWP
REPLACEMENT

1.4

369002B100QQH

90C030R1

EWP INSPECTION AND CAN CASE
REPLACEMENT

1.0

369002B109QQH

90C030R2

EWP INSPECTION, ELECTRICAL
EWP + BATTERY CAN CASE
REPLACEMENT

1.8

369100E650QQH

90C030R3

EWP INSPECTION, BATTERY EWP +
ELECTRICAL CAN CASE
REPLACEMENT

1.8

375W5K4000QQH

90C030R4

EWP INSPECTION, ELECTRICAL &
BATTERY EWP REPLACEMENT

2.0

369100E650QQH

90C030R5

EWP INSPECTION, ELECTRICAL &
BATTERY CAN CASE
REPLACEMENT

1.5

369100E650QQH

Kona (OS)
Electric

NATURE CAUSE
CODE
CODE

I3A

ZZ7

NOTE 1: Submit claim on Campaign Claim Entry Screen.
NOTE 2: Coolant will be reimbursed under sublet for all op codes.
NOTE 3: If a part is found in need of replacement while performing this Service Campaign and the
affected part is still under warranty, submit a separate claim using the same Repair Order Number
and the same Causal Part Number as the Campaign Claim. If the affected part is out of warranty,
submit a Prior Approval Request for goodwill consideration prior to performing the work.
Cross Reference Chart of Op Codes versus Parts Replaced:
NOTE: Op Codes and Parts Replaced depend on section C (page-7) inspection results.
MODEL

OP CODE

CAN CASE KIT

EWP ASSY

*WIRING HARNESS

Ioniq (AE)
Hybrid/
Plug-In/
Electric

90C030R0

none

36900-2B100QQH

*36910-G2912QQH

90C030R1

36900-2B109QQH

none

none

36910-0E650QQH
(Electrical Devices EWP Assy)

*36910-G2912QQH

375W5-K4000QQH
(Battery EWP Assy)

*36910-G2912QQH

*Up to 2 qty.
36910-G2912QQH

none

90C030R2

90C030R3
Kona (OS)
Electric

36910-0E659QQH
(Can Case replaced in
the Battery EWP)