22-BE-002H

GROUP
Body Electrical
Technical Service Bulletin
DATE
MAY 2022
NUMBER
22-BE-002H
MODEL(S)
PALISADE (LX2)
LX2 ICU UPDATE – HAPTIC MOTOR WARNING MESSAGE
SUBJECT:
Description: Certain 2019-2022MY Palisade (LX2) vehicles may display a haptic motor check on the
cluster. This bulletin provides the procedure to update the Integrated Central Control Unit (ICU)
software to resolve this condition.
ICU DTC Codes:
B2473 (Haptic Warning System Open Circuit)
B2474 (Haptic Warning System Short to Ground)
Applicable Vehicles: Certain 2019-2022MY Palisade (LX2) vehicles equipped with haptic steering
wheel feedback, produced from 4/10/2019 until 11/23/2021.
GDS Information: System Selection - ICU:
Event #
Description
783
783.LX2 ICU S/W UPDATE FOR HAPTIC MOTOR WARNING MESSAGE
Warranty Information:
MODEL
OP CODE OPERATION OP TIME
CAUSAL PART*
NATURE
CODE
CAUSE
CODE
T72
ZZ3
91950-xxxxx
Palisade (LX2)
91950F12 ICU Upgrade
0.3 M/H
91951-xxxxx
NOTE 1: Normal Warranty Applies
*NOTE 2: Refer to the applicable parts catalog for the full causal part number.
Service Procedure:
1. Perform GDS Mobile software update per TSB 15-GI-001.
2. After successful completion of ECM software update, disconnect the power connector in the
junction box located on the driver’s side lower dash for 5 seconds, then reconnect it.
Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair
SUBJECT::
:
ICU UPDATE – HAPTIC MOTOR WARNING MESSAGE
3. If necessary, reconnect GDS/VCI.
4. Check for Diagnostic Trouble Codes in ALL menus and erase any DTC.
5. Confirm normal vehicle operation.
!
WARNING
GDS-M Vehicle Battery Low Voltage Warning:
When the vehicle battery is lower than 12 volts, the GDS-M will trigger a Low Battery Voltage
Warning. If this Warning occurs,
A. Connect the battery to a fully charged battery jump pack or GR8 charger using “Power
Supply Mode” to continue the software update.
OR
B. Select “BACK” to exit the SW update. Then, start the engine and idle with the
headlights on for 20 minutes. Return to the SW update after charging the battery.
NOTICE
You must initially perform GDS-M ICU Update in Auto Mode.
If the ICU Update starts but then fails in Auto Mode, perform the update in Manual Mode to
recover.
TSB #: 22-BE-002H
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SUBJECT:
SUBJECT:
ICU UPDATE – HAPTIC MOTOR WARNING MESSAGE
NOTICE
Precautions to take during upgrade:
• Perform upgrade with ignition switch in the ON position, but do not start the engine.
• Do not turn off the ignition switch.
• Turn off all vehicle lights and accessories (heater, A/C blower, radio, seat warmer,
defroster, etc.).
• Do not disconnect any cables connected to the vehicle and scan tool.
ICU ROM Information Table:
MODEL
PART NUMBER
Palisade (LX2)
91950-S8040
91950-S8220
91950-S8240
91950-S8260
91950-S8280
91950-S8041
91950-S8221
91950-S8241
91950-S8261
91950-S8281
91951-S8661
91951-S8771
91951-S8781
91951-S8791
91951-S8801
ROM ID
OLD
NEW
4.01
4.02
4.03
4.04
4.10
4.11
4.12
4.13
4.14
4.15
4.10
4.11
4.12
4.13
4.14
Manual Mode Password Table:
MODEL
MENU
Palisade (LX2)
LX2 ICU 91950/1-S8010~961
TSB #: 22-BE-002H
PASSWORD
0415
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