Special Coverage
N242441120 Evaporative Emissions Purge Pump
Release Date:
Attention:

June 2024

00

This Special Coverage can be seen in the Applicable Warranties section in Investigate Vehicle History
(IVH).

Make
Buick
Chevrolet
Cadillac
Cadillac
Cadillac
Cadillac
Cadillac
GMC

Revision:

Model
Envision
Blazer
XT4
CT4
CT5
XT5
XT6
Acadia

Model Year
From
To

RPO

Description

2021

LSY

ENGINE-GAS, 4 CYL, L4, 2.0L,
SIDI, DOHC, VVT, ALUM,
TURBO, VAR 3

2021

Involved vehicles are identified on the Applicable Warranties section 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

Special
Coverage

Certain 2021 model year Buick Envision, Chevrolet Blazer, Cadillac XT4, CT4, CT5, XT5, XT6, and
GMC Acadia vehicles, equipped with a 2.0 gasoline engine (RPO LSY), may have a condition that
could cause the evaporative emissions purge pump to fail. If this condition were to occur, the
Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set.
This special coverage covers the condition described above for a period of 15 years or 150,000 miles
(240,000 km), whichever occurs first, from the date the vehicle was originally placed in service,
regardless of ownership.
For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after June
5, 2024, are covered by this special coverage and must be submitted using the labor operation codes
provided with this bulletin. Claims with repair orders prior to June 5, 2024, must be submitted to the
Service Contract provider.

Correction

Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are
eligible for reimbursement of their reasonable and customary expenses in accordance with the
procedures specified below. The conditional right to reimbursement is provided by GM solely in the
interest of customer satisfaction and is personal to Customers. Customers may not assign and GM
does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to
receive reimbursement, or any other rights granted by this Special Coverage to any third party,
including but not limited to service contract providers, and this Special Coverage is not intended to and
does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to
reimbursement, against GM, whether in law, equity or otherwise, on any third parties.
Dealers are to replace the evaporative emissions purge pump as necessary. The repairs will be made
at no charge to the customer.

Parts
Quantity
1

Part Name
Evaporative Emissions Canister Purge Pump

Part No.
12741163

Reminder: Parts may be removed from SPRINT and Retail Inventory Management (RIM) and be nonreturnable. Dealers should review the affected parts to confirm RIM managed status. Parts may have quantity limiters
in effect. Due to the limited initial parts availability, dealers are encouraged not to order these parts for use as
shelf stock.

Copyright 2024 General Motors. All Rights Reserved.

Page 1 of 3

Special Coverage
N242441120 Evaporative Emissions Purge Pump
Warranty Information
Labor
Operation
9900888
9900889

9900890
9900891

Description
Diagnostic Time Only – No Repair Required
Evaporative Emission Canister Purge Pump Replacement
Add: Diagnosis Time
Acadia, XT5, XT6
Blazer
CT4, CT5
Envision, XT4
Customer Reimbursement Approved
- For USA and Canada dealers only
Customer Reimbursement Denied – For USA dealers only

Labor
Time
0.1-0.3

Trans.
Type
ZREG
ZREG

Net
Item
N/A
N/A

ZREG

*

ZREG

**

0.3-1.0
0.2
0.3
0.4
0.5
N/A
N/A

*

For USA and Canada: Submit the dollar amount reimbursed to the Customer in Net/Reimbursement. Submit $20.00
USD ($25.00 CAD) administrative allowance in Net/Admin Allowance.

**

Submit $10.00 administrative allowance in Net/Admin Allowance.

Service Procedure
1.

2.

A vehicle may come in with one or more DTCs, including P1467, P146B, P146F, P146D, P146E, P146C, P0146,
P1469, P146A, P1490, P148E, P14A4, or P148F.
•

Following SI diagnosis steps for these DTCs may lead to Purge Pump replacement. If it does, proceed to Step
2.

•

If following diagnosis for the DTCS does NOT lead to purge pump replacement, the repair is not covered by this
special coverage. Claim applicable diagnostic clock time and inform the customer that further diagnosis or repairs
will not be covered under this special coverage bulletin.

Replace the Purge Pump. Refer to Evaporative Emission Canister Purge Pump Replacement in SI.
•

The new Purge Pump will not come with a bracket. It will be necessary to transfer the bracket from the old Purge
Pump to the new one.

Courtesy Transportation – For USA & Canada
Courtesy transportation is available for Customers whose vehicles are involved in a product program and still within the
warranty coverage period. See General Motors Service Policies and Procedures Manual for courtesy transportation
program details.
Customer Notification
General Motors will notify Customers of this special coverage on their vehicle (see copy of typical Customer letter included
with this bulletin).
Customer Reimbursement
Customer requests for reimbursement of previously paid repairs to correct the condition described in this bulletin are to
be submitted to the dealer prior to or by June 30, 2025. See General Motors Service Policies and Procedures Manual
(USA & Canada) or local Policies and Procedures, for details.

GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of
conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained
technicians have the tools, equipment, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT
assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your dealer for information on whether your
vehicle may benefit from the information.

We Support
Voluntary Technician
Certification

Page 2 of 3

Special Coverage
N242441120 Evaporative Emissions Purge Pump
June 2024
This notice applies to your vehicle, VIN: _____________________________________
Dear General Motors Customer:
As the owner of a 2021 model year Buick Envision, Chevrolet Blazer, Cadillac XT4, CT4, CT5, XT5, XT6, or GMC
Acadia vehicle, your satisfaction with our product is very important to us.
This letter is intended to make you aware that some 2021 model year Buick Envision, Chevrolet Blazer, Cadillac XT4,
CT4, CT5, XT5, XT6, or GMC Acadia vehicles, equipped with a 2.0 gasoline engine, may have a condition that could
cause the evaporative emissions purge pump to fail. If this condition were to occur, the Malfunction Indicator Lamp
(Check Engine Light) will illuminate, and a diagnostic trouble code will set.
Do not take your vehicle to your GM dealer as a result of this letter unless you believe that your vehicle has the
condition as described above.
What We Have Done: General Motors is providing owners with additional protection for the condition described above.
If this condition occurs on your 2021 model year Buick Envision, Chevrolet Blazer, Cadillac XT4, CT4, CT5, XT5, XT6,
or GMC Acadia within 15 years of the date your vehicle was originally placed in service or 150,000 miles (240,000 km),
whichever occurs first, the condition will be repaired for you at no charge. Diagnosis or repair for conditions other than
the condition described above is not covered under this special coverage program. For customer’s vehicles already
outside of the above years and/or miles, we are still offering reimbursement if the issue occurred within the years and
miles stated above. Please follow the reimbursement steps below.
What You Should Do: If you believe that your vehicle has the condition described above, repairs and adjustments
qualifying under this special coverage must be performed by a General Motors dealer. You may want to contact
your GM dealer to find out how long they will need to have your vehicle so that you may schedule the appointment at a
time that is convenient for you. This will also allow your dealer to order parts if they are not already in stock. Keep this
letter with your other important glove box literature for future reference.
Reimbursement: If you already paid for repairs for the condition described in this letter, and those repairs were
completed prior to this mailing, please complete the enclosed reimbursement form and present it to your dealer with
all required documents. Working with your dealer will expedite your request, however, if this is not convenient, you may
mail the completed reimbursement form and all required documents to Reimbursement Department, PO Box 33170,
Detroit, MI 48232-5170. The completed form and required documents must be presented to your dealer or received by
the Reimbursement Department by June 30, 2025, unless state law specifies a longer reimbursement period.
The right to submit reimbursement claims is provided by GM solely in the interest of customer satisfaction and is
personal to vehicle owners and lessees who previously paid for repairs referenced in this Special Coverage
(“Customers”). Customers may not assign and GM does not consent to any assignment of any Customer’s right
to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special
Coverage to any third party, including but not limited to service contract providers, and this Special Coverage
is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any
other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties.
If you have any questions or need any assistance, please contact your dealer or the appropriate Customer Assistance
Center at the number listed below.
For the hearing or speech impaired, please contact our Customer Assistance Center using the Telecommunication
Relay Service by dialing 711 then providing the appropriate Customer Assistance Center number for your vehicle.
Division
Number
Buick
1-800-521-7300
Cadillac
1-800-333-4223
Chevrolet
1-800-222-1020
GMC
1-800-462-8782
Puerto Rico – English/
1-866-467-9700
Español and Virgin Islands
We are sorry for any inconvenience you may experience; however, we have taken this action in the interest of your
continued satisfaction with our products.
Neelie O’Connor
Global Executive Director
Customer Experience Operations
Enclosure
N242441120
Page 3 of 3

GENERAL MOTORS
DCS6909
URGENT - DISTRIBUTE IMMEDIATELY
Date:

June 5, 2024

Subject: N242441120 - Special Coverage
Evaporative Emissions Purge Pump
Models: 2021 Buick Envision
2021 Chevrolet Blazer
2021 Cadillac XT4
2021 Cadillac CT4
2021 Cadillac CT5
2021 Cadillac XT5
2021 Cadillac XT6
2021 GMC Acadia
Equipped with 2.0L Gas Engine (RPO LSY)

General Motors is releasing Special Coverage N242441120 today.
What Should Dealers Do: Dealers should review IVH or the Dealer Maxis
reports for open VINs in their inventory. Dealers can view the attached
bulletin and it will also be displayed in Service Information tomorrow.

END OF MESSAGE