Mandatory Work Order

Authored Date 20/03/2024
Doc No. IAMWO003002v2
Title Software Update for Vehicles fitted with TRM - US MY24 only

Affected Vehicle(s)

Grenadier

RFO04651 - RFO15987

Prior to starting any reworks, please make sure you check the vehicle is affected by checking the VIN
using Vehicle Simple Search in the Warranty System.

Reason for this document

Issue: An issue has been identified on a small percentage of the affected vehicles where the vehicle
requires the correction of previous software to enable the Towing Electronics functionality.

Cause: Software Issue

Action: Follow the procedure below.

Workshop Procedure

Software Update for Vehicles fitted with TRM

Operation Repair Time
Check, Install Tow Bar, Update ECUs and Update Head 1
Unit
Check, Update ECUs and Update Head Unit 0.8
Procedure - Check Tow Bar Installation

1 Check if IAUPS002824 or IAUPS002824v2 has been applied to the vehicle.

If the campaign has been applied to the vehicle, proceed to Procedure - Install the Tow
Bar and install the Tow Bar that was originally fitted to the vehicle.

If the Campaign has not been applied to the vehicle, proceed to Procedure - Updating
Head Unit.

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GRENADIER

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Procedure - Install the Tow Bar

Mandatory Work Order

1 Raise and Support the Vehicle on a suitable 2-Post Lift
Refer to: TOPIC_0000000382 Lift Vehicle on Ramp

- Remove the 3 Warning Labels on the Skid Plate
- Using a suitable cleaner, remove any residue from the Skid Plate.

- Remove the 2 Towing Hitch Cover screws.
- Remove the Towing Hitch Cover.

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Page 2

Mandatory Work Order

- Install the Towing Adaptor Plate
- Install and tighten the 4 bolts.
Torque: 250Nm

- _ Install the Tow Ball Pin.
- _Install the R-Clip to the Tow Ball Pin.

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Mandatory Work Order

7 Lower the Vehicle.

8 Proceed to Procedure - Updating Head Unit.

Procedure - Updating Head Unit.

1

Caution: Store all Head Unit flash data into a folder called "update" directly in the root of the USB
stick: (minus Caps sensitive) "Update" WILL NOT WORK

Note: Ensure a dynamic battery charger, capable of outputting 40 Amps is installed to the vehicle
B+ and earth, do NOT use a trickle charger, the amperage input is not dynamic, errors can occur
Caution: Use a known good USB A stick of the following specification - USB in FAT32 format
(generic USB format), Minimum of 1 GB Storage capacity, no more than 128G, Free from other
documents or data on USB stick.

Note: Do NOT adjust or delete any files in the ‘update’ folder

Note: The latest software version is SW-0000000690 (HU)
Note: If you have an issue while flashing HU, please use a "Branded USB stick".

Flash the Head unit with the latest ‘update’ via USB.

- Click the link below to access the required files.
- Download the files to a USB stick.

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SETTINGS

Before the Head Unit is flashed. Write down the Service interval information.

* Distance (miles /kilometres)
+ Date
¢ Engine running time

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Mandatory Work Order

Place the vehicle on charge. Ensuring the battery charger can output up to 40 amps to support the
vehicle power supply during the process.

4 | Insert the USB stick into USB-A connection in the center console storage area with Head Unit (HU)
‘update’ software data from software pack SW-0000000690 (HU). A notification will display
stating ‘USB

connected’

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Mandatory Work Order

5 | Head unit (HU) Hidden Menu Access.

On the central display select ‘SETTINGS - GENERAL’.

On the touchscreen, press and hold the area to the right of the ‘GENERAL ‘title for approximately 8
seconds.

Ascreen will appear for PIN

input.

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6 | Note: the last 2 digits will not change the display ‘dots’ as there are only 6

On the PIN screen, input the PIN number: 46367308

7 | On the left side select ‘System Update’ and then select ‘Start’

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INEOS|GRENADIER Mandatory Work Order

8 | Note: The software update takes approximately 40 minutes to complete.

Note: Place the vehicle on charge ensuring the vehicle battery charger can output up to 40 Amps
Note: The technician is NOT required to be with the vehicle during this time.

Note: The software update no longer requires each application to be selected individually.

Note: Do not switch off the ignition or stop the process unless there is a notification is displayed
in the central display.

Note: The ONE KEY UPDATE will flash all applications of the Head unit (i-e., IVI UPDATE / MCU
UPDATE / IPC UPDATE / IVI SCREEN UPDATE)

Select ‘ONE KEY UPDATE’.
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Mandatory Work Order

9 TREOS auromorive

Vehicle Connection

Note: See VCI connection documentation for VCI self-help.
Note: Ensure the connection is NOT in simulation.

Connect the vehicle to Grade-X using the VC| connected to the OBD port in the driver's footwell.

Select ‘VIN READ’.

Select ‘NEXT.
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On the vehicle summary page
Select ‘PART NUMBERS’
Select ‘HU - Head Unit’
Review the ‘F188 - Manufacturers ECU software part number’ check and ensure ‘SW-
0000000690 (HU) is displayed as the part number.
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INEOS|GRENADIER Mandatory Work Order

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Select the coding tab.
Select ‘HU -Head Unit’
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Select ‘CDS’, select ‘OK’.

Code the CDS to the Head unit with Grade-x.
Select VOD’, select ‘OK’.

Code the VOD to the Head unit with Grade-x.

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Mandatory Work Order

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Click ‘Hard Reset’
Click ‘OK’

NOTE: The head unit will reboot. This will take a few minutes. Allow the head unit to complete the
reboot process.