NHTSA ID Number: 11033993
Manufacturer Communication Number: TSB_ELE424
TSB/Document Date: 2026-06-18
Summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: DIGITAL KEY BATTERY DISCHARGE LOGIC IMPROVEMENT (SA651) - This bulletin provides information to improve the Body Domain Controller – Body Control Module ‘BDC-BCM’ system software on certain 2027MY Telluride (LQ2a) vehicles produced from December 03, 2026 through May 04, 2026 and certain 2027MY Telluride Hybrid
(LQ2 HEV) vehicles produced from December 04, 2025 through May 04, 2026. The affected vehicles 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
424
June 2026
TECHNICAL SERVICE BULLETIN
SERVICE ACTION: DIGITAL KEY BATTERY
SUBJECT:
DISCHARGE LOGIC IMPROVEMENT (SA651)
This bulletin provides information to improve the Body Domain Controller – Body Control Module ‘BDC-BCM’
system software on certain 2027MY Telluride (LQ2a) vehicles produced from December 03, 2026 through
May 04, 2026 and certain 2027MY Telluride Hybrid (LQ2 HEV) vehicles produced from December 04, 2025
through May 04, 2026. The affected vehicles may experience excessive discharging of the 12V battery while
parked, potentially resulting in a no-start condition. Follow the procedure outlined in this publication to apply
the improved logic to the ‘BDC-BCM’ system to reduce power consumption by optimizing wake-up and sleep
control during smartphone related operations. Refer to SST081 for software upgrade instructions using Kia
Diagnostic System (KDS) tablet and VCI-II or VCI-III and confirm the Upgrade Event Number/Name, ROM ID
Information, and Manual Mode passwords (if applicable) on the applicable vehicle.
This software upgrade may also be available via an Over-the-Air (OTA) update on vehicles with an
‘active’ Kia Connect subscription.
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 SA651.
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
SERVICE ACTION: DIGITAL KEY BATTERY
SUBJECT:
DISCHARGE LOGIC IMPROVEMENT (SA651)
Refer to TSB SST081 for instructions to upgrade the ‘BDC-BCM’ system:
IMPORTANT
The software update may also be available via Over-The-Air (OTA) upgrade feature through an
‘active’ Kia Connect account for customers. An OTA software upgrade may not be available at the
time a TSB publication is released. Dealers can confirm OTA availability by checking for OTA release
notes on the Kia Owners Portal: OTA Software Update Release Notes. If the affected vehicle had
the latest software installed via OTA, no further action is required by the dealer.
Note: An OTA installed software is time-stamped for each VIN.
To correct this condition, the specified system module should be reprogrammed using KDS
as described in this bulletin in ‘Auto Mode’.
Upgrade Event Name
991. LQ2a ICE digital key operation logic improvement (BDC)
998. LQ2a HEV digital key operation logic improvement (BDC)
NOTICE
•
Confirm a fully charged battery (12.3 volts or higher is necessary) is used or utilize a fully charged
jump starter box connected to the battery.
•
Ensure the KDS GDS is sufficiently charged at 60% or higher prior to reflash.
•
All ECU upgrades must be performed with the ignition set to the ‘ON’ position unless otherwise
stated.
•
Damaged VCI II units should not be used and promptly replaced.
•
Be careful not to disconnect the VCI-II or VCI-III 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 application.
Connect the negative (-) terminal to the battery as shown below.
Printed document copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: SA651 Telluride (LQ2a, LQ2 HEV) June
Kia2026
America, Inc. Confidential
Page 3 of 5
SERVICE ACTION: DIGITAL KEY BATTERY
SUBJECT:
DISCHARGE LOGIC IMPROVEMENT (SA651)
ROM ID Information Table:
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.
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 #991
Model
System
IMMO
ECU P/No.
95400 P8000
LQ2a
BDC
Yes
95400 P8010
95400 P8020
ROM ID
Previous
New
252C
252D
252J
252F
252I
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 #998
Model
LQ2
HEV
System
BDC
IMMO
Yes
ECU P/No.
ROM ID
Previous
95400 XL000
252D
95400 XL010
252F
95400 XL020
252I
New
252J
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: SA651 Telluride (LQ2a, LQ2 HEV) June 2026
Kia America, Inc. Confidential
Page 4 of 5
SERVICE ACTION: DIGITAL KEY BATTERY
SUBJECT:
DISCHARGE LOGIC IMPROVEMENT (SA651)
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
991
LQ2a ICE BDC : 95400-P8000/10/20
8152
998
LQ2a HEV BDC : 95400-XL000/10/20
6215
UPGRADE EVENT:
Select the applicable ‘BDC-BCM’ system module and
the Event Group.
•
991. LQ2a ICE digital key operation logic
improvement (BDC)
OR
•
Password
998. LQ2a HEV digital key operation logic
improvement (BDC)
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: SA651 Telluride (LQ2a, LQ2 HEV) June
Kia2026
America, Inc. Confidential
Page 5 of 5
SERVICE ACTION: DIGITAL KEY BATTERY
SUBJECT:
DISCHARGE LOGIC IMPROVEMENT (SA651)
AFFECTED VEHICLE RANGE:
Model
Production Date Range
Telluride (LQ2a)
December 03, 2025 to May 04, 2026
Telluride Hybrid (LQ2 HEV)
December 04, 2025 to May 04, 2026
REQUIRED TOOL:
Tool Name
Part Number
Kia Diagnostic System
Figure
Location
Comments
N/A
(KDS)
KDS + VCI
SHOP
Connect
VCI-II or VCI-III 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
Qty.
(SA651)
V
95400 P8010
0
Digital Key Battery
Discharge Logic
260A25R0
0.5
M/H
N/A
0
Improvement
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
SA651 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: SA651 Telluride (LQ2a, LQ2 HEV) June 2026
Kia America, Inc. Confidential
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TSB/Document ID: TSB_ELE424
Replacement Service Bulletin Number:
MFR Communication Date: 2026-06-08
MFR Internal Campaign ID/Software Version: SA651
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System: ELE
MFR Component Subsystem:
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