NHTSA ID Number: 11001196
Manufacturer Communication Number: TSB-24-55-001
TSB/Document Date: 2024-06-07
Summary
This Technical Service Bulletin provides instruction to reprogram the ECU to address the heater not working propery when using Mitsubishi
Connect APP during tempertures below 5°F.
After that press the power switch for more than 5 seconds to shut vehicle down.
Press the power switch once without depressing brake pedal to place vehicle into ACC mode.
(Do not turn off until programming has finished.)
Program each ECU referring to Parts Information section of this bulletin.
Modify the configuration setting of BCM by special function.
Clear All DTCs.
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CASE 7:
Open tailgate and engine hood.
(Do Not close these until programming has finished.)
Press the power switch once without depressing brake pedal to place vehicle into ACC mode.
After that press the power switch for more than 5 seconds to shut vehicle down.
Press the power switch once without depressing brake pedal to place vehicle into ACC mode.
(Do not turn off until programming has finished.)
Program each ECU referring to Parts Information section of this bulletin (PHEV-ECU).
Modify the configuration setting of BCM by special function.
Clear All DTCs.
CASE 8:
Modify the configuration setting of BCM by special function.
Clear All DTCs.
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WORK PROCEDURE
Each ECU name on MUT3-SE is different. Please refer to the table below when
programming.
ECU
ECU NAME ON MUT3-SE
REMCU
POWER DRIVE UNIT
R-MCU
PDU
PHEV A/C AMP
HVAC2
BCM
BCM
Caution during programming:
Turn off all electrical devices to minimize the vehicle's electrical load. Also use an
external power source to ensure that the vehicle battery maintains the specified voltage
during programming.
The low voltage of the auxiliary battery may cause the incompletion of programming
and once it happens, ECU must be replaced to brand new one.
Write down all the customer’s electrical device settings such as A/C and radio before
programming and restore them after programming.
Connect the MUT3-SE to an AC power source to prevent internal battery discharge.
Before using, make sure the USB cable and MUT3-SE main harness are not damaged.
Do not perform maintenance work in the engine room during programming.
The cooling fan may operate while programming.
Check the All DTC after programming and erase them if any.
EQUIPMENT
•
•
•
•
•
•
•
The following equipment is needed to reprogram the ECU:
VCI (Vehicle Communication Interface) or VCI Lite - MB991824 or MB992744
MEDIC Laptop/Tablet with A/C power adapter - 520924, or FZG1MK2
MUT III Main Harness "A" (blue connector at the DLC end) - MB991910 or
MB992745
USB 2.0 Cable - MB991827 or MB992747
MEDIC 3.5/4 update at 868 or higher
For Standalone MUT III units, MUT3-SE Reprogramming Database SDBN 240202NR
or higher
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ECU PROGRAMMING
PROGRAMMING
・A/C AMP
Model
Data No.
New HW
Part No.
New SW
Part No./Ver.
GN0W
27531W02.0PN
Target SW Part
No./Ver.
-
27760W018P
-
27760W019P
-
27760W020P
27531W020P
-
27531W02.1PN
Target HW
Part No.
-
27531W021P
Remarks
DUAL A/C
Without seat
heater
DUAL A/C
With seat
heater
TRIPLE A/C
・POWER DRIVE UNIT
Model
Data No.
GN0W
291D0W00.5PN
New HW
Part No.
New SW
Part No./Ver.
Target HW Part
No.
Target SW
Part No./Ver.
Remarks
-
291A0W000P
291A0W000P
23-24MY
-
291A1W080P
291A0W000P
23-24MY
Spare parts.
291A0W050P
291D0W004P
24MYR/C
291A0W070P
291D0W004P
24MYR/C
Spare parts.
291D0W005P
-
・REMCU
Data No.
New HW
Part No.
New SW
Part No./Ver.
Target HW
Part No.
Target SW
Part No./Ver.
Remark
s
290J1W00.6PN
-
290J1W006P
290G0W000P
290G0W000P
23MY
290J1W00.3PN
-
290J1W003P
290G0W040P
290J1W002P
24MY
Model
GN0W
Data No.
New HW
Part No.
27531W01.6PN
-
27531W01.6PN
-
New SW
Part No./Ver.
27531W016P
Target HW Part
No.
27447W000P
27447W050P
Target SW Part
No./Ver.
27531W002P
27531W011P
27531W012P
Remarks
23-24MY
23-24MY
・ECM
Model
Data No.
New HW
Part No.
New SW
Part No./Ver.
Target HW
Part No.
Target SW
Part No./Ver.
Remarks
GN0W
23761W13.9PN
-
23761W139P
23703W018P
-(Blank ECU)
23MY
GN0W
23761W14.0PN
-
23761W140P
23703W018P
-(Blank ECU)
24MY
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ECU PROGRAMMING (Continued)
PART REPLACEMENT/PROGRAMMING
・A/C AMP
Model
GN0W
Part Name
Part No.
Features
Remarks
DUAL A/C
Without seat
heater
DUAL A/C
With seat heater
TRIPLE A/C
Confirm
the
factory installed
ECU part No.
and replace to
corresponding
new part No.
Quantity
27760W027P
27760W006P
1
27760W028P
27760W007P
1
27760W029P
27760W008P
1
・ECM
Model
Part Name
GN0W
HARDWARE-ENG
CONT
5/6/2024
Part No.
23703W018P
1860D658
(23703WW00P)
23703W010P
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Quantity
Remarks
1
1
(5394/TSL2403013/Mtg 3/25/24)
SOFTWARE/MEDIC VERSION VERIFICATION
1. Verify that the ECU has not already been updated to the latest S/W number in the table
above. If the ETACS ECU is at the latest level, reprogramming is not necessary.
NOTE: Reprogramming the ETACS ECU with the latest database (e.g., SDBN 240202NR)
includes all past and current reprogramming for TSBs of affected vehicles. It is not
necessary to reprogram the ECU for each previous TSB.
For MEDIC 3.5/4 users only: (MUT-III SEV users go to step 5)
2. Verify the MEDIC 3.5/4 is at version 3.5 and at update 868 or higher.
If your MEDIC 3.5/4 update is at least 868, continue with the Reprogramming Procedure.
If your MEDIC 3.5/4 update is below 868, update your MEDIC as follows.
3. Select the MEDIC 3.5/4 Admin tab and click on “Updates”.
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4. If the MEDIC update screen advises updates are available, click the “Begin” button. After all
updates are complete, GO TO THE REPROGRAMMING PROCEDURE.
5. STANDALONE MUT-III SE SCAN TOOL VIEWER (STV) ONLY: (MEDIC 3.5 USERS – GO TO THE
REPROGRAMMING PROCEDURE). Verify that your MUT-III SE has the most current version of the
reprogramming database from the MUT-III SE Main Page.
a. Press the MUT-III SE STV button.
b. Push the car icon for Chassis No/VIN read out.
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c. Confirm the vehicle information displayed is complete/correct, press the
ECU reprogramming button.
d. Select SDB Data List button.
e. Verify the Data No 8637A829 is listed with the new software.
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REPROGRAMMING PROCEDURE
! CAUTION
To ensure that the vehicle battery maintains 12V during the procedure, hook- up a
battery charger to the vehicle during the procedure.
NOTE: VCI Stand−alone reprogramming is not available for this procedure. The laptop/tablet and
the VCI must remain connected for the entire procedure.
1. Connect the equipment as follows:
NOTE: VCI Lite and MEDIC 4.0 Toughpad shown for illustration purposes only.
• Turn the MEDIC PC/tablet on. If the battery
indicator in the lower right hand corner of the
screen does not show a full charge, it is
recommended that either the battery be charged
prior to beginning or be used with the A/C power
adaptor connected.
SE
• Connect the USB cable to the VCI/VCI Lite. When
the laptop/tablet displays the MUT-III SE main
screen, connect the USB cable to the device.
• Connect the MUT-III SE main harness with the
blue DLC connection to the VCI/VCI Lite. Connect
the blue connection of the MUT-III SE main
harness to the vehicle's data link connector.
• For VCI only: Turn the VCI power switch ON. Verify
that the indicator lamp in the upper right corner
Lite
of the screen is green.
! CAUTION
DO NOT DISTURB THE HARNESS CABLES OR CONNECTIONS DURING THE REPROGRAMMING
PROCESS AS IT COULD CAUSE THE CONTROL UNIT TO LOSE DATA. IF THE USB CABLE IS
DISCONNECTED DURING THIS PROCEDURE, A WARNING MESSAGE WILL DISPLAY.
NOTE: Due to limited space it may be easiest to connect battery charger cable onto ground point.
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Note: Do not disturb the cable or turn off the ignition during reprogramming to prevent
damage to the ECU.
2. Turn the ignition switch to the “ON” position.
3. Turn on flashers to prevent vehicle from shutting/powering down.
4. Press the MUT-III SE STV button.
5. Press the Chassis No/VIN read out (car icon) and verify all vehicle information.
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TSB/Document ID: TSB-24-55-001
Replacement Service Bulletin Number:
MFR Communication Date: 2024-05-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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