GROUP
ENG

MODEL
2017-2018MY
Forte (YDm) 2.0L MPI

NUMBER
181 (Rev 1, 10/16/2019)

DATE
December 2017

TECHNICAL SERVICE BULLETIN
SERVICE ACTION: IGNITION COIL OR COIL RFI
SPRING REPLACEMENT FOR DTC P0300, P0301, P0302, P0303,
AND/OR P0304 (SA321)

SUBJECT:

 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 replace all four (4) ignition coils or replace all four (4)
coil radio frequency interference (RFI) springs on some 2017-2018MY Forte (YDm) 2.0L MPI
vehicles, produced from May 16, 2016 through September 7, 2017, which may experience a
malfunction indicator lamp illumination (MIL) ON with DTC P030X (P0300, P0301, P0302,
P0303, or P0304). To correct this concern, follow the procedure outlined in this bulletin to
replace all four (4) ignition coils if a misfire DTC (P030X) has been set, or replace all four (4)
coil RFI springs if the MIL is not ON or a non-misfire related DTC is set. Before conducting the
procedure, verify that the vehicle is included in the list of affected VINs.
DTC Set

Action

P0300, P0301, P0302, P0303, P0304

Replace all 4 ignition coils

No DTCs
Replace all 4 coil RFI springs
Non misfire related DTCs

 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 SA321.
File Under:
Circulate To:

X General Manager


X Service Advisors


X Technicians


X Service Manager


X Parts Manager


X Body Shop Manager 
X Fleet Repair


Page 2 of 5
SUBJECT:

SERVICE ACTION: IGNITION COIL OR COIL RFI
SPRING REPLACEMENT FOR DTC P030X (SA321)

Inspection/Replacement Procedure:
Diagnosis/Repair Flowchart

Are misfire DTC(s) Set?

Yes

*Replace all 4
ignition coils.
Page 2

No

*Replace all 4 ignition
coil RFI springs.
Page 3

*Do Not perform TSB ENG208 at this time.
1.

If the MIL is on, perform a Fault Code
Search for any Engine related DTCs then
proceed to the next step (2).
If the MIL is not on, proceed to the RFI
Replacement Procedure below.

2.

If a misfire (P030X) DTC is present,
replace all four (4) ignition coils (A) with
improved parts by referring to the
“Engine Electrical System → Ignition
System → Ignition Coil → Repair
procedures” chapter in the applicable
Shop Manual on KGIS then clear related
DTC.
If a DTC is present but not related to a
misfire DTC (P030X), diagnose as
necessary and then proceed to the
repair procedure below.

TSB: SA321 (Rev 1) Forte (YDm) December 2017

A

Page 3 of 5
SUBJECT:

SERVICE ACTION: IGNITION COIL OR COIL RFI
SPRING REPLACEMENT FOR DTC P030X (SA321)

RFI Replacement Procedure:
1. Remove the ignition coil (A) by referring
to the “Engine Electrical System →
Ignition System → Ignition Coil → Repair
procedures” chapter in the applicable
Shop Manual on KGIS.

2.

With one hand, firmly hold the igniter part
of the ignition coil (A).

A

3.

With the other hand, firmly hold the boot
side of the ignition coil.

4.

While firmly holding both ends, carefully
wiggle and pull the ignition coil boot off
from the igniter to expose the RFI spring
(B).

B

TSB: SA321 (Rev 1) Forte (YDm) December 2017

Page 4 of 5
SUBJECT:

5.

SERVICE ACTION: IGNITION COIL OR COIL RFI
SPRING REPLACEMENT FOR DTC P030X (SA321)

Remove and replace the RFI spring with
the new improved part.

 NOTICE
Ensure the RFI coated end (C) is
inserted first into igniter part of
the ignition coil assembly.

C

6.

Reassemble and reinstall the ignition coil in the reverse order of removal.

7

Repeat this RFI replacement procedure for the other three (3) ignition coils.

8.

If the MIL was on prior to performing this repair, clear any related DTCs using KDS.

 NOTICE
A Vehicle Diagnosis Number (VDN) is required for compensation of diagnosis
time and clearing of related DTCs.
9.

Start engine to confirm proper operation of the vehicle.

TSB: SA321 (Rev 1) Forte (YDm) December 2017

Page 5 of 5

SERVICE ACTION: IGNITION COIL OR COIL RFI
SPRING REPLACEMENT FOR DTC P030X (SA321)

SUBJECT:

AFFECTED VEHICLE RANGE:
Model

Production Date Range

Forte (YDm)

May 16, 2016 through September 7, 2017

REQUIRED PART:
Part Name

Part Number

Ignition Coil

27300
2E601QQK

Ignition Coil RFI
Springs

27303
2E601QQK

Figure

WARRANTY INFORMATION:
N Code: N99 C Code: C99
Claim
Type

V

Causal P/N

27300
2E601

Qty.

0

Repair
Description

Labor Op
Code

Op
Time

Replacement
P/N

Qty.

(SA321)
Ignition Coil RFI Spring
Replacement (x4)
without MIL ON

170M31R0

0.4

27303
2E601QQK

4

(SA321)
Ignition Coil RFI Spring
Replacement (x4)
with MIL ON

170M31R1

0.7

27303
2E601QQK

4

(SA321)
Ignition Coil
Replacement (x4)

170M31R2

0.6

27300
2E601QQK

4

NOTE: Labor Op Code 170M31R1 should be used only when there is a customer complaint of a
MIL ON and the vehicle has a non-misfire related active or history DTC requiring the use of KDS.
A VDN is required to claim this Labor Op Code.

 NOTICE
VIN inquiry data for this repair is provided for tracking purposes only. Kia retailers
should reference SA321 when accessing the WebDCS system.

TSB: SA321 (Rev 1) Forte (YDm) December 2017