NHTSA ID Number: 11031907
Manufacturer Communication Number: TSB_ELE421
TSB/Document Date: 2026-05-01
Summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DOOR HANDLE DISCHARGE LOGIC IMPROVEMENT (SA646) - This bulletin provides information to upgrade the Door Handle Sensor Module ‘DHS’ system software on certain 2027MY Telluride (LQ2a, LQ2 HEV) vehicles produced from December 03, 2025 through April 10, 2026, which may experience excessive discharging of the 12V battery while parked, potentially resulting in a no-start condition
GROUP
MODEL
ELE
2027MY
Telluride (LQ2a, LQ2 HEV)
NUMBER
DATE
421
April 2026
TECHNICAL SERVICE BULLETIN
SUBJECT:
SERVICE ACTION: DOOR HANDLE DISCHARGE
LOGIC IMPROVEMENT (SA646)
This bulletin provides information to upgrade the Door Handle Sensor Module ‘DHS’ system software on
certain 2027MY Telluride (LQ2a, LQ2 HEV) vehicles produced from December 03, 2025 through April 10, 2026,
which may experience excessive discharging of the 12V battery while parked, potentially resulting in a nostart condition. Follow the procedure outlined in this publication to apply the improved logic to the ‘DHS’
system. Refer to SST081 for software upgrade instructions using Kia
Diagnostic System (KDS) tablet and VCIII and confirm the Upgrade Event Number/Name, ROM ID Information, and Manual Mode passwords (if
applicable) on the applicable vehicle.
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 KDealer+ (Service → Warranty Coverage → Warranty
Coverage Inquiry → Campaign Information). Not completed Recall / Service Action reports are
available on KDealer+ (Consumer Affairs → Not Completed Recall → Recall VIN → Select Report),
which includes a list of affected vehicles.
This issue number is SA646.
A printed copy is for reference only; publication information can be updated at any time.
Always refer to KGIS for the latest information. After logging in kdealer.com, the newest technical
publications are listed in ‘Service Releases’ and has the latest service information that has been released.
Kia America, Inc. Confidential
Page 2 of 5
SUBJECT:
SERVICE ACTION: DOOR HANDLE DISCHARGE LOGIC IMPROVEMENT (SA646)
Refer to TSB SST081 for instructions to upgrade the ‘DHS’ system:
To correct this condition, the specified system module should be reprogrammed using KDS
as described in this bulletin in ‘Auto Mode’.
Upgrade Event Name
965. LQ2a (HEV) DHS_FR_LH sleep logic improvement
966. LQ2a (HEV) DHS_FR_RH sleep logic improvement
Connect the negative (-) terminal to the battery as shown below.
NOTICE
Before attempting an ECU upgrade on any Kia model, make sure to first determine whether the
applicable 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.
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA646 Telluride (LQ2a, LQ2 HEV) April
Kia2026
America, Inc. Confidential
Page 3 of 5
SUBJECT:
SERVICE ACTION: DOOR HANDLE DISCHARGE LOGIC IMPROVEMENT (SA646)
ROM ID Information Table:
IMPORTANT
It is recommended to ALWAYS check the Electronic Parts Catalog (EPC) to locate the ECU Part
Number respective to Auto/Manual Mode ROM IDs. DO NOT reference the parts label affixed to
the ECU.
Upgrade Event #965
Model
LQ2a
LQ2 HEV
System
DHS_FL
IMMO
Yes
ECU P/No.
82657 P8100
ROM ID
Previous
New
2561
2631
2571
To verify the vehicle is affected, be sure to check the Calibration Identification of the vehicle's ECM ROM ID
and reference the Information Table as necessary.
Upgrade Event #966
Model
LQ2a
LQ2 HEV
System
DHS_FR
IMMO
Yes
ECU P/No.
82667 P8100
ROM ID
Previous
2561
2571
New
2631
To verify the vehicle is affected, be sure to check the Calibration Identification of the vehicle's ECM ROM ID
and reference the Information Table as necessary.
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA646 Telluride (LQ2a, LQ2 HEV) April 2026
Kia America, Inc. Confidential
Page 4 of 5
SUBJECT:
SERVICE ACTION: DOOR HANDLE DISCHARGE LOGIC IMPROVEMENT (SA646)
Software Information:
The required software must be installed by selecting
the ‘Auto Mode’ ECU Upgrade option.
Note: In some cases, the ‘Manual Mode’ installation
option may be required ONLY if the ‘Auto Mode’
function fails or is otherwise noted above.
NOTICE
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 the manual upgrade.
‘Manual Mode’ passwords.
Event No.
Menu
Password
965
LQ2a (HEV) DHS_LH : 82657-P8100
6362
966
LQ2a (HEV) DHS_RH : 82667-P8100
6263
IMPORTANT
BOTH Upgrade Event #965 AND Upgrade Event #966 are REQUIRED to be
installed on ALL LQ2 vehicles.
UPGRADE BOTH EVENTS:
Select the applicable ‘DHS_FR_LH’ and ‘DHS_FR_RH’
system module and the Event Group.
•
965. LQ2a (HEV) DHS_FR_LH sleep logic
improvement
AND
•
966. LQ2a (HEV) DHS_FR_RH sleep logic
improvement
Verify the affected vehicle Calibration Identification of
the applicable ECU ROM ID and reference the
Information Table on page 3 as necessary.
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA646 Telluride (LQ2a, LQ2 HEV) April
Kia2026
America, Inc. Confidential
Page 5 of 5
SERVICE ACTION: DOOR HANDLE DISCHARGE LOGIC IMPROVEMENT (SA646)
SUBJECT:
AFFECTED VEHICLE RANGE:
Model
Production Date Range
Telluride (LQ2a)
December 03, 2025 to April 10, 2026
Telluride HEV (LQ2 HEV)
REQUIRED TOOL:
Tool Name
Part Number
Kia Diagnostic System
Figure
Location
Comments
N/A
(KDS)
KDS + VCI
SHOP
Connect
VCI-II Connector
Directly to KDS
N/A
Using Included
Ethernet Cable
WARRANTY INFORMATION:
N Code: N99 C Code: C99
Claim
Type
Causal P/N
Qty.
Repair
Labor Op
Op
Replacement
Description
Code
Time
P/N
(SA646)
V
82650 P8000
0
Door Handle Discharge
Logic Improvement
260A19R0
0.3
M/H
N/A
Qty.
0
Note: When substitute transportation is provided, manually enter sublet code ‘X2’ for rental expense
reimbursement or one roundtrip rideshare expense.
NOTICE
VIN inquiry data for this repair is provided for tracking purposes only. Kia retailers should reference
SA646 when accessing the KDealer+ system.
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA646 Telluride (LQ2a, LQ2 HEV) April 2026
Kia America, Inc. Confidential
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TSB/Document ID: TSB_ELE421
Replacement Service Bulletin Number:
MFR Communication Date: 2026-04-23
MFR Internal Campaign ID/Software Version: SA646
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System: ELE
MFR Component Subsystem:
Previous TSB | Next TSB |
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