NHTSA ID Number: 11020196
Manufacturer Communication Number: IAMWO004251
TSB/Document Date: 2025-07-05
Summary
An issue has been identified where the Intelligent Speed Assistance functionality does not fit with customer expectations. Intelligent Speed Assistance (ISA) can now be toggled to remain off after ignition cycle
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TSB/Document ID: IAMWO004251
Replacement Service Bulletin Number:
MFR Communication Date: 2025-06-19
MFR Internal Campaign ID/Software Version: SW0000000969
Communication Type: Service Campaign
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
Mandatory Work Order
IAMWO004251
Authored Date
Doc No.
Title
Affected Vehicle(s)
05/06/2025
IAMWO004251
Intelligent Speed Assistance Software update for North America and
Mexico
Grenadier
RF004677 – RF017814
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 where the Intelligent Speed Assistance (ISA) functionality does not fit
with customer expectations.
Cause: No differentiation of ISA functionality in various markets.
Action: Update the vehicle as per instructions below. To improve our customer experience, we offer an
improved ISA functionality.
•
Intelligent Speed Assistance (ISA) "Over Speed Warning" can be switched off once and remain off
after ignition cycle.
Workshop Procedure
Software Update
Operation:
Update
Repair Time:
0.3 Hours
Note:
- The procedure contains illustrations showing certain components removed to provide
extra clarity.
- This procedure contains some variation in the illustrations depending on the vehicle
specification, but the essential information is always correct.
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 1
Ineosgrenadier.com
IAMWO004251
Mandatory Work Order
Procedure – Updating Head Unit.
1.
Before the head unit is flashed. Write down the service interval information.
o
o
o
Distance (Miles/Kilometres).
Date.
Engine running time.
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 2
Ineosgrenadier.com
IAMWO004251
Mandatory Work Order
2.
•
•
3.
Place the vehicle on charge.
Ensuring the battery charger can output up to 40 amps to support the vehicle power supply during
the process.
Note:
- See VCI connection documentation (VCI AND CONNECTION
GUIDE UPDATE V 2.0) for VCI self-help.
- Ensure the connection is NOT in simulation.
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 3
Ineosgrenadier.com
IAMWO004251
Mandatory Work Order
Connect the vehicle to Grade-X using the VCI connected to the OBD port in the driver’s footwell.
1)
2)
Select ‘VIN READ’.
Select ‘NEXT’.
-
Select ‘DTC Memory’ tab.
4.
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 4
Ineosgrenadier.com
IAMWO004251
-
Select ‘CLEAR ALL’.
Grade – X will clear and read the vehicles DTCs.
Mandatory Work Order
Grade -X will start to read the ECU DTCs.
5.
•
•
Select the coding tab
Select ‘Code All’
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 5
Ineosgrenadier.com
IAMWO004251
Mandatory Work Order
6.
Select ‘OK’
7.
Note:
Summary page shows the confirmation. Coding status is the priority, As Maintained is
optional, but not an issue if it shows ‘Not Successful’ as it will try after the session,
and it’s for reference only.
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 6
Ineosgrenadier.com
IAMWO004251
Mandatory Work Order
Select ‘OK’
8.
Cautions:
- 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
- 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:
- 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.
- Do NOT adjust or delete any files in the ‘update’ folder.
- The latest software version is SW-0000000969 (HU)
- If you have an issue while flashing HU, please use a "Branded USB stick".
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 7
Ineosgrenadier.com
IAMWO004251
•
•
Mandatory Work Order
Download the latest software onto a suitable USB Stick MY24.1 Software Update
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-0000000969 (HU). A notification will display stating
‘USB connected’
9.
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 8
Ineosgrenadier.com
IAMWO004251
-
Mandatory Work Order
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. A screen will appear for PIN input.
10.
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
11.
1)
Select ‘System Update’.
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 9
Ineosgrenadier.com
Mandatory Work Order
IAMWO004251
2)
Select ‘Start’.
12.
Note:
- The software update takes approximately 20 minutes to complete.
- Place the vehicle on charge ensuring the vehicle battery charger can output up to 40
Amps.
- The technician is NOT required to be with the vehicle during this time.
- The software update no longer requires each application to be selected individually.
- Do not switch off the ignition or stop the process unless there is a notification is
displayed in the central display.
- 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’
13.
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 10
Ineosgrenadier.com
IAMWO004251
Mandatory Work Order
Note:
- See VCI connection documentation (VCI AND CONNECTION
GUIDE UPDATE V 2.0) for VCI self-help.
- Ensure the connection is NOT in simulation.
Connect the vehicle to Grade-X using the VCI connected to the OBD port in the driver’s footwell.
3)
4)
Select ‘VIN READ’.
Select ‘NEXT’.
14.
-
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 11
Ineosgrenadier.com
IAMWO004251
-
Mandatory Work Order
Open the vehicle summary page.
Select ‘PART NUMBERS’.
Select ‘HU- Head Unit’.
Review the ‘F188 - Manufacturers ECU software part number’ check and ensure SW-0000000969
(HU) is displayed as the part number.
15.
Complete a full and comprehensive check on the head unit functionality to ensure there is no operational
concerns. Ensuring the Head Unit (HU) is functioning as intended, and the software aligns, the Head Unit
(HU) Flash has been successful.
Select ‘VERSIONINFO’ and check that all 3 dates are exactly the same.
To identify the dates, the information is written in the below format (Image shown for illustration purposes)
IpcVersion:Softversion: XXXXXX.YYMMDD.0hardversion:1.1A
McuVersion: XXXXXX.XXXXXX.YYMMDD.X
IviVersion: XXXXXX.XXXXXX.YYMMDD.X
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 12
Ineosgrenadier.com
Mandatory Work Order
IAMWO004251
If an update fails, without functional faults, attempt the Head Unit (HU) flash of the application again. If the
software application fails after 3 attempts, a Technical Support ticket should be raised. Provide the relevant
information from the process step(s) to the INEOS technical support team to provide efficient support.
In the unlikely situation that a Head Unit (HU) software flash has not been deployed fully or flashed
correctly, a Technical Support ticket must be raised. Provide the relevant information from the process
step(s) to the INEOS technical support team to support.
16.
Release the vehicle.
Change History
Reference No.
IAMWO004251
Date
05/06/2025
Description
First release
INEOS Automotive Ltd, 15-19 Britten Street, Chelsea, London, SW3 3TY, UK
INEOS Automotive Limited is registered in England and Wales (company number 11201576). Registered office address Hawkslease, Chapel
Lane, Lyndhurst, Hampshire, SO43 7FG, UK.
Page 13
Ineosgrenadier.com
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