NHTSA ID Number: 11028879
Manufacturer Communication Number: 08-069-26
TSB/Document Date: 2026-02-19
Summary
Flash: Power Liftgate Module (PLGM) Updates Customers may experience one or more of the following symptoms: SYMPTOM: ● Power Liftgate does not operate. The Instrument Panel Cluster (IPC) may display "Liftgate Open", a warning light may illuminate even though the liftgate appears fully closed, and an audible chime may be generated at speeds above 8 kph (5 mph). The liftgate cannot be opened using the front interior switch, key fob, Hands Free kick or exterior handle. ● The power liftgate will not open. ● The power liftgate system chimes when trying to operate the liftgate using a Hands Free Entry (HFE) kick while no key is detected in the zone. ● After enabling or disabling the HFE kick or the Power Liftgate Alert feature, the PLGM does not save the changes. ● Vehicle will not start due to a depleted battery. ● The power liftgate latch releases after pressing the exterior handle switch, but the liftgate does not power open. This bulletin involves inspecting and possibly reprogramming the PLGM with the latest available software.
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TSB/Document ID: 08-069-26
Replacement Service Bulletin Number:
MFR Communication Date: 2026-02-14
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
Technical Service Bulletin (TSB)
Flash: Power Liftgate Module (PLGM) Updates
REFERENCE:
TSB: 08-069-26
GROUP: 08 - Electrical
Date:
February 14, 2026
VEHICLES
AFFECTED:
2026 (WS) Jeep Wagoneer / Grand Wagoneer
This bulletin applies to vehicles built on or before January 14, 2026
(MDH 0114XX) equipped with Hands Free Power Liftgate (Sales Code
JK2).
REVISION: —
MARKET APPLICABILITY:
NA
MEA
SA
IAP
EE
CH
NOTE: This bulletin applies to
North America markets.
CUSTOMER
SYMPTOM:
Customers may experience one or more of the following symptoms:
● Power Liftgate does not operate. The Instrument Panel Cluster (IPC) may display "Liftgate Open", a
warning light may illuminate even though the liftgate appears fully closed, and an audible chime may be
generated at speeds above 8 kph (5 mph). The liftgate cannot be opened using the front interior switch, key
fob, Hands Free kick or exterior handle.
● The power liftgate will not open.
● The power liftgate system chimes when trying to operate the liftgate using a Hands Free Entry (HFE) kick
while no key is detected in the zone.
● After enabling or disabling the HFE kick or the Power Liftgate Alert feature, the PLGM does not save the
changes.
● Vehicle will not start due to a depleted battery.
● The power liftgate latch releases after pressing the exterior handle switch, but the liftgate does not power
open.
CAUSE:
PLGM Software
This Technical Service Bulletin (TSB) has also been released as a Rapid Service Update (RSU) 26-034,
date of issue February 14, 2026. All applicable RSU VINs have been loaded. To verify this RSU service
action is applicable to the vehicle, use VIP or perform a VIN search in DealerCONNECT/Service Library.
All repairs are reimbursable within the provisions of warranty.
REPAIR SUMMARY:
This bulletin involves inspecting and possibly reprogramming the PLGM with the latest available software.
T08 FSAR-TSB-6918
-2-
CLAIMS DATA:
Labor Operation No:
18-19-31-9H
18-19-31-9Z
Failure Code
Labor Description
Module, Power Liftgate
(PLGM)
- Inspect
(0 - Introduction)
Module, Power Liftgate
(PLGM)
- Inspect and Reprogram
(0 - Introduction)
RF
CC
Skill Category
6 - Electrical and Body
Systems
Labor Time
0.1 Hrs.
6 - Electrical and Body
Systems
0.2 Hrs.
Required Flash - RSU
Customer Concern
The dealer must choose which failure code to use depending on if this is a Rapid Service Update
(RSU) or a Technical Service Bulletin.
● The “RF” failure code is required for essential module flash/reprogramming and can only be used after
confirmation that the VIN is included on the RSU.
● The failure code “RF” (Required Flash) can no longer be used on Technical Service Bulletin flashes. The
“RF” failure code must be used on an RSU.
● If the customer’s concern matches the SYMPTOM/CONDITION identified in the Technical Service Bulletin,
failure code CC is to be used. When utilizing this failure code, the 3C’s must be supplied.
DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in DealerCONNECT/
Service Library, verify all related systems are functioning as designed. If Diagnostic Trouble Codes (DTCs) or
symptom conditions, other than the ones listed above are present, record the issues on the repair order and
repair as necessary before proceeding further with this bulletin.
If a customer’s VIN is listed in VIP or your RSU VIN list, perform the repair. If any vehicle not on the VIN list
exhibits any of the symptom listed above in the customer symptom section, perform the Repair Procedure.
SPECIAL TOOLS/EQUIPMENT:
Description
wiTECH or Equivalent
Ref. No.
Notes
-
-
REPAIR PROCEDURE:
NOTE: Install a battery charger to ensure battery voltage does not drop below 13.2 volts. Do not allow
the charging voltage to climb above 13.5 volts during the flash process.
NOTE: If this flash process is interrupted/aborted, the flash should be restarted.
1. Is this vehicle on the RSU VIN list?
● YES>>> Proceed to Step 2.
● NO>>> Proceed to Step 3.
-3-
T08 FSAR-TSB-6918
2. Does the PLGM have the latest software already installed?
● YES >>> This bulletin has been completed. Use Inspect LOP (18-19-31-9H) to close the active RSU.
● NO >>> Proceed to Step 3.
3. Reprogram the PLGM with the latest software. If issues arise when flashing a module using the wiTECH
Diagnostic Application, please submit a ticket to the Helpdesk. The helpdesk can be found within the Help
menu.
4. Clear any DTCs that may have been set in any modules due to reprogramming. The wiTECH application
will automatically present all DTCs after the flash and allow them to be cleared.
POLICY:
Reimbursable within the provisions of the warranty.
This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication may be reproduced, stored in a retrieval system, or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.
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