GENERAL MOTORS
DCS6900
URGENT - DISTRIBUTE IMMEDIATELY
Date:

May 22, 2024

Subject: REVISION: N242436240-02 – Customer Satisfaction Program
Multiple Module Reprogramming
Revised Service Procedure
Models: 2024 Chevrolet Blazer EV
To:

All General Motors Dealers

This bulletin is being revised to update the Service Procedure. Please discard all
previous copies of N242436240. The attached bulletin can also be viewed in
Service Information tomorrow.
Important: After Radio USB programming is complete, verify the software version
on Radio Screen matches the current version shown on the Warranty Claim Code
(WCC) screen in Techline Connect (TLC). Refer to the WCC screen for
instructions on how to navigate to the software version within the Radio menu.

END OF MESSAGE

Customer Satisfaction Program
N242436240 Multiple Module Reprogramming
Release Date:
Revision Description:
Attention:

May 2024

Revision:

02

This bulletin is being revised to update the Service Procedure. Please discard all
previous copies of N242436240.

Vehicles involved in this program were placed on stop delivery December 22, 2023 under N232434590.
Once the service procedure contained in this bulletin has been performed on the vehicle, the vehicle is
released from stop delivery and the vehicle can be delivered to the customer.
All involved vehicles that are in dealer inventory must be held and not delivered to customers, dealer
traded, or used for demonstration purposes until the repair contained in this bulletin has been performed
on the vehicle.
Important: After Radio USB programming is complete, verify the software version on Radio Screen
matches the current version shown on the Warranty Claim Code (WCC) screen in Techline Connect
(TLC). Refer to the WCC screen for instructions on how to navigate to the software version within the
Radio menu.
For EV Involved Vehicles: The repairs outlined in this bulletin must only be completed at an authorized
EV dealer and repairs must be performed by a technician who has successfully completed the
applicable technical training required to perform this repair.
This program is in effect until March 31, 2026.

Make
Chevrolet

Model
Blazer EV

Model Year
From
To
2024
2024

RPO

Description

Involved vehicles are marked “Open” on the Investigate Vehicle History screen in GM Global Warranty Management
system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections
and/or repairs.
Condition
Correction

Certain 2024 model year Chevrolet Blazer EV vehicles may require software updates that improve the
customer experience and optimize future over-the-air updates.
Dealers will perform a comprehensive software update.

Parts
No parts are required for this repair.

Copyright 2024 General Motors. All Rights Reserved.

Page 1 of 13

Customer Satisfaction Program
N242436240 Multiple Module Reprogramming
Important: If a module requires updating, utilize the following labor operations and time for claim payment. Only
modules requiring an update should be claimed.
Note: Only the Body Control Module (BCM) SPS Warranty Claim Code is required on the job card for the warranty
transaction submission (per the procedure below) all other module updates will be automatically tracked by the TLC
system to verify all the appropriate modules have been properly updated.
Warranty Information
Labor
Operation
9107273
9107073*

Description
Floor Plan Reimbursement – NEW INVENTORY ONLY
K9 Body Control Module Reprogramming with SPS

Labor
Time
N/A
0.5

Trans.
Type

Net
Item
**

ADD:
A11 Radio Reprogramming with USB and SPS
1.0
K16 Battery Energy Control Module Reprogramming with SPS
0.3
K73 Telematic Control Module
0.3
B174W Front View Camera Reprogramming with SPS
0.3
K26 Headlamp Control Module Reprogramming with SPS
0.3
K107 Drive Motor Control Module Reprogramming with SPS
0.3
K160 Brake System Control Module Reprogramming with SPS
0.3
K180 Driver Monitoring System Control Module Reprogramming with
0.3
SPS
K183 UHF Short Range Low Energy Remote Control Access
0.3
Transceiver Reprogramming with SPS
K194 Rear Gate Module Reprogramming with SPS
0.3
K212 Gear Shift Control Module Reprogramming with SPS
0.3
K219 Lighting Control Module Reprogramming with SPS
0.3
K36 Restraints Control Module Reprogramming with SPS
0.3
ZFAT
K40D Driver Seat Adjuster Memory Module Reprogramming with
0.3
N/A
SPS
K85P Restraints Occupant Classification System Module 0.3
Passenger Reprogramming with SPS
K182 Parking Assist Control Module Reprogramming with SPS
0.3
K132 Pedestrian Alert Sound Control Module Reprogramming with
0.3
SPS
K43 Power Steering Control Module Reprogramming with SPS
0.3
K56 Serial Data Gateway Module Reprogramming with SPS
0.4
B218L Side Obstacle Detection Control Module - Left
0.3
Reprogramming with SPS
B218R Side Obstacle Detection Control Module - Right
0.3
Reprogramming with SPS
B233B Forward Range Radar Sensor - Long Range Reprogramming
0.3
with SPS
B233 Short Range Radar Sensor Reprogramming with SPS
0.3
K60 Column Lock Control Module Reprogramming with SPS
0.3
T22 Wireless Accessory Charging Module Reprogramming with SPS
0.3
T3 Audio Amplifier Reprogramming with SPS
0.3
K157 Video Processing Control Module Reprogramming with SPS
1.7
Important: If a module requires updating, utilize the following labor operations and time for claim payment. Only
modules requiring an update should be claimed.
Note: Only the Body Control Module (BCM) SPS Warranty Claim Code is required on the job card for the warranty
transaction submission (per the procedure below) all other module updates will be automatically tracked by the TLC
system to verify all the appropriate modules have been properly updated.

Page 2 of 13

Customer Satisfaction Program
N242436240 Multiple Module Reprogramming
Note: To avoid having to “H” route the floor plan transaction for wholesale approval, it must be submitted prior to the
repair transaction.
Important: * To avoid warranty transaction rejections, carefully read and follow the instructions below:

6125814

• The Warranty Claim Code from the programming event must be accurately entered in the “Warranty Claim
Code” field of the transaction.
Warranty Claim Code Information Retrieval

6125774

If the Warranty Claim Code was not recorded on the Job Card, the code can be retrieved in the SPS2 system as
follows:
1.
2.
3.
4.

Open TLC on the computer used to program the vehicle.
Select and start SPS2.
Select Settings (1).
Select the Warranty Claim Code tab (2).

The VIN, Warranty Claim Code and Date/Time will be listed on a roster of recent programming events. If the code is
retrievable, dealers should resubmit the transaction making sure to include the code in the SPS Warranty Claim Code
field.

Page 3 of 13

Customer Satisfaction Program
N242436240 Multiple Module Reprogramming
Floor Plan Reimbursement – NEW INVENTORY ONLY
**USA & Canada Dealers Only – For vehicles eligible for floor plan reimbursement, the amount should be submitted in
Net Item/Miscellaneous. This amount should represent the product of the vehicle’s average daily interest rate (see
table below) multiplied by the actual number of days the vehicle was in dealer inventory and not available for sale.
This reimbursement is limited to the number of days from the date of the stop delivery message (December 22, 2023)
to the date the repair is completed, and the vehicle is ready for sale (not to exceed 76 days).
Vehicle
2024 Chevrolet Blazer EV

Floor Plan Reimbursement Amount
USA
Canada
$20.00
$11.50

Service Procedure
Caution: Before downloading the update files, be sure the computer is connected to the internet through a network cable
(hardwired). DO NOT DOWNLOAD or install the files wirelessly. If there is an interruption during programming,
programming failure or control module damage may occur.
Note: Carefully read and follow the instructions below.

•

Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector.
If there is an interruption during programming, programming failure or control module damage may occur.

•

Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will
interrupt programming. Install a GM Authorized Programming Support Tool to maintain system voltage. Refer to
www.gmdesolutions.com for further information. If not available, connect a fully charged 12 V jumper or booster
pack disconnected from the AC voltage supply. DO NOT connect a battery charger.

•

Follow the on-screen prompts regarding ignition power mode but ensure that anything that drains excessive power
(exterior lights, HVAC blower motor, etc) is off.

•

Please verify that the radio time and date are set correctly before inserting USB drive into vehicle for programming,
otherwise an error will result.

•

Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M)
system status indicators to NO.

Important: The service technician always needs to verify that the VIN displayed in the TLC left side drop down menu and
the top center window match the VIN plate of the vehicle to be programmed prior to using Service Programming System
2 (SPS2) for programming or reprogramming a module.

•

For the TLC application, service technicians need to always ensure that the power mode (ignition) is “ON” before
reading the VIN from the vehicle’s VIN master module and that they do not select a VIN that is already in the TLC
application memory from a previous vehicle.

•

If the VIN that shows up in the TLC top center window after correctly reading the VIN from the vehicle does not match
the VIN plate of the vehicle, manually type in the VIN characters from the vehicle VIN plate into the TLC top center
window and use these for programming or reprogramming the subject module with the correct vehicle VIN and
software and/or calibrations.

•

The Engine Control Module (ECM) is the master module (for VIP vehicles) that TLC reads to determine the VIN of
the vehicle. If the VIN read from the vehicle by TLC does not match the VIN plate of the vehicle, the ECM also needs
to be reprogrammed with the correct VIN, software and calibrations that match the vehicle’s VIN plate.

•

The Body Control Module (BCM) is the master module (for GEM vehicles) that TLC reads to determine the VIN of
the vehicle. If the VIN read from the vehicle by TLC does not match the VIN plate of the vehicle, the BCM also needs
to be reprogrammed with the correct VIN, software and calibrations that match the vehicle’s VIN plate.

Caution: Be sure the VIN selected in the drop down menu (1) is the same as the vehicle connected (2) before beginning
programming.

Page 4 of 13

Customer Satisfaction Program
N242436240 Multiple Module Reprogramming

5743643

Important: If the vehicle VIN DOES NOT match, the message below will be shown.

5877000

5644477

Important: Techline Connect screens shown above.
Important: If the same calibration/software warning is noted on the TLC Summary screen, select OK and follow
screen instructions. After a successful programming event, the WCC is located in the Service Programming System
dialogue box of the SPS Summary screen. No further action is required. Refer to the Warranty section of the bulletin.
Important: Body Control Module MUST be the first module programmed. After completion, Radio USB and SPS
programming MUST be the second module programmed. Then, continue reprogramming all equipped modules
shown in the “Select Controller” section of SPS2 in Techline Connect.
Important: Using a USB wired connection between PC and MDI2 for the following procedure is highly recommended.
This is recommended due to the large file sizes being transferred between the PC and MDI2.
Important: Clearing the SPS Cache before programming will help with potential errors that may occur.
Page 5 of 13

Customer Satisfaction Program
N242436240 Multiple Module Reprogramming
1. Launch SPS.

6576524
2. Select “Settings”.

6576525
3. Select “Local Cache” (1) tab.
4. Select “Clear” tab (2) and then “OK”.
5. Reprogram the body control module. Refer to K9 Body Control Module: Programming and Setup in SI.
Radio USB and SPS Programming Procedure
Important: YOU MUST follow the bullet points below:

•
•
•

Use a USB C type flash drive for the vehicle, it is not recommended to use an adapter as this may cause
the programming event to fail.
USB 3.0 & above with FAT32 format.
Minimum size 16GB, maximum size 32GB.

Important: USB flash drive MUST BE FORMATTED with Windows prior to programming.
Important: After Radio USB programming is complete, verify the software version on Radio Screen matches the
current version shown on the Warranty Claim Code (WCC) screen in Techline Connect (TLC). Refer to the WCC
screen for instructions on how to navigate to the software version within the Radio menu.
Page 6 of 13

Customer Satisfaction Program
N242436240 Multiple Module Reprogramming

1.

Connect a USB drive to the computer.

2.

Perform a Quick Format on the USB drive to FAT32.

6554766

2.1. Right Click windows logo and select File Explorer.

6554767

6554768

2.2. Right click on the USB drive in File Explorer and select format.
3.