Product Emission Recall A202317281 Incorrect Catalytic Converter Assembled – 2020 Buick Encore GX & 2021 Chevrolet Trailblazer

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GLOBAL SAFETY FIELD INVESTIGATIONS
DCS5536
URGENT – DISTRIBUTE IMMEDIATELY
Date: October 7, 2020
Subject: A202317281-01 – Emission Recall
Incorrect Catalytic Converter Assembled
Revised Service Procedure, Part, Warranty Sections
Models: 2020 Buick Encore GX
2021 Chevrolet Trailblazer
Equipped with 1.2L gas engine (RPO LIH)
To: All General Motors Dealers
This bulletin has been revised to update the service procedure, add part information,
and update the warranty information section. Please discard all copies of A202317281.
END OF MESSAGE
GLOBAL SAFETY FIELD INVESTIGATIONS
Product Emission Recall
A202317281 Incorrect Catalytic Converter Assembled
Copyright 2020 General Motors. All Rights Reserved. Page 1 of 4
Release Date: October 2020 Revision: 01
Revision Description: This bulletin has been revised to update the service procedure, add part information,
and update the warranty information section. Please discard all copies of A202317281.
Attention: Vehicles involved in this recall were placed on stop delivery September 18, 2020. 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.
On October 2, 2020, an inspection procedure was made available and vehicles that passed the
inspection could be delivered and closed using the “Inspect Catalytic Converter for Correct Part Number
– No Further Action Required” labor code 9105315. For vehicles which did not pass inspection and were
held, parts are now available to complete this repair.
It is a violation of Federal law for a dealer to deliver a new motor vehicle or any new or used item of motor
vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or
noncompliance is remedied.
All involved vehicles that are in New and Unsold dealer inventory must be held and not delivered to
customers, dealer traded, or used for demonstration purposes until the inspection contained in this
bulletin has been performed on the vehicle.
Make Model
Model Year
From To RPO Description
Buick Encore GX 2020 2020
LIH Engine-Gas (E0-15),3 CYL, 1.2L
Chevrolet Trailblazer 2021 2021
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 General Motors has decided to conduct a voluntary emission recall on certain 2020 model year Buick
Encore GX and 2021 model year Chevrolet Trailblazer vehicles with a 1.2L engine (RPO LIH). These
vehicles may have received incorrect catalytic converter parts that do not meet all emission system
requirements.
Correction Dealers are to inspect the catalytic converter and replace if the correct part was not installed.
Parts
Quantity Part Name Part No.
1 CATALYTIC CONVERTER 55515139
1 CLAMP 55513359
1 GASKET CTLTC CONV 12641115
1 GASKET EXH SYS FRT 13499082
It is estimated that only 96 involved vehicles will require parts replaced. Due to the small number of vehicles
anticipated that will need this fix and the limited initial parts availability, dealers are encouraged not to order
these parts for use as shelf stock.
Reminder: Parts may be removed from Retail Inventory Management (RIM). Dealers should review the affected parts
to confirm RIM managed status.
Warranty Information
Labor
Operation Description
Labor
Time
Trans.
Type
Net
Item
9105315* Inspect Catalytic Converter for Correct Part Number – No Further
Action Required
0. 3 ZFAT N/A
9105331 Catalytic Converter Replacement (Includes Inspection) 2.3 ZFAT N/A
9105320 Floor Plan Reimbursement – NEW INVENTORY ONLY N/A ZFAT **
* Only use for vehicles that pass inspection.
Product Emission Recall
A202317281 Incorrect Catalytic Converter Assembled
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Floor Plan Reimbursement – NEW INVENTORY ONLY
** USA & Canada Only – Vehicles eligible for floor plan reimbursement are to submit the amount in “Net Item” and
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 (September 18, 2020) to the date the repair is completed
and the vehicle is ready for sale (not to exceed 23 days):
Vehicle
Floor Plan Reimbursement Amount
USA Canada
2020 Buick Encore GX $3.17 $3.89
2021 Chevrolet Trailblazer $3.11 $3.74
Service Procedure
5654981
1. Inspect the catalytic converter part number. Refer to Catalytic Converter Heat Shield Replacement (Lower) to remove
the shield for inspection.
5654982
1.1. If the vehicle has part number 55515139 catalytic converter installed, no further action is required.
1.2. If the vehicle DOES NOT have part number 55515139 catalytic converter installed, proceed to step 2.
2. Replace the catalytic converter. Refer to Catalytic Converter Replacement in SI.
Product Emission Recall
A202317281 Incorrect Catalytic Converter Assembled
Page 3 of 4
Dealer Responsibility
All new, used, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc. in dealers’ possession
and subject to this recall must be held and inspected/repaired per the service procedure of this bulletin before customers
take possession of these vehicles. Involved vehicles must be held and not delivered to customers, dealer-traded,
released to auction, used for demonstration, or any other purpose.
All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System
(CPOIS) will be de-certified and must be held and remedied per the service procedure in this bulletin. Upon submitting
an accepted/paid warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified
for sale within the CPOIS system, or once again be used in the CTP program.
Dealers are to service all vehicles subject to this recall at no charge to customers, regardless of mileage, age of vehicle,
or ownership, from this time forward.
Customers who have recently purchased vehicles sold from your vehicle inventory, and for which there is no customer
information indicated on the dealer listing, are to be contacted by the dealer. Arrangements are to be made to make the
required correction according to the instructions contained in this bulletin. A copy of the customer letter is provided in this
bulletin for your use in contacting customers. Recall follow-up cards should not be used for this purpose, since the
customer may not as yet have received the notification letter.
In summary, whenever a vehicle subject to this field action enters your vehicle inventory you must take the steps
necessary to ensure the program correction has been made before selling the vehicle. In addition, for vehicles entering
your facility for service, you are required to ensure the customer is aware of the open field action and make every
reasonable effort to implement the program correction as set forth in this bulletin prior to releasing the vehicle.
***THE FOLLOWING 2 PARAGRAPHS ARE NOT FOR CANADA OR EXPORT***
When a California emissions recall is completed by a GM dealer, the dealer must provide the vehicle owner a “Proof of
Correction Certificate” which the owner may need to present to the California Department Of Motor Vehicles (DMV) when
renewing their vehicle registration. Without this correction certificate, the owner may be unable to renew their vehicle
registration.
Additional Certificates can be obtained, at no charge, from the 1Store application in GlobalConnect. Request GM Item
Number 1825 when ordering.
Dealer Reports
For dealers with involved vehicles, a listing has been prepared and will be available through GM GlobalConnect Maxis
Field Action Reports or sent directly to export dealers. The Inventory tab of the dealer reports will contain VINs that
apply to this recall. This information is intended to assist dealers with the PROMPT COMPLETION of these
vehicles. The Customer In-Service tab will contain customer names and addresses from Motor Vehicle Registration
Records. The use of such motor vehicle registration data for any purpose other than follow-up necessary to complete
this recall may be a violation of law in several states.
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
USA & Canada – General Motors will notify customers of this recall on their vehicle (see copy of customer letter included
with this bulletin).
In order to ensure full protection under the emission warranty, and the right to participate in future recalls, the customer
notification letter recommends that customers have their vehicles serviced as soon as possible. It also advises that failure
to do so could legally be determined to be lack of proper maintenance.
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
Product Emission Recall
A202317281 Incorrect Catalytic Converter Assembled
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TBD 2020
This notice applies to your vehicle, VIN: _____________________________________
Dear General Motors Customer:
This notice is sent to inform you that General Motors is conducting a voluntary emission recall that includes your
vehicle.
Reason For This Recall: Your 2020 model year Buick Encore GX or 2021 Chevrolet Trailblazer, equipped with a 1.2L
3 cylinder gas engine, may have received the incorrect catalytic converter parts that do not meet all emission system
requirements.
What Will Be Done: Your GM dealer will inspect the catalytic converter and replace if the correct part was not
installed. This service will be performed for you at no charge. Eligibility for this service will not be denied solely due to
your vehicle having non-GM parts or repairs performed by outlets other than a GM franchised dealer.
How Long Will The Repair Take? Because of service scheduling requirements, it is likely that your dealer will need
your vehicle longer than the actual service correction time of approximately 30 minutes.
What You Should Do: Please contact your GM dealer as soon as possible to arrange a service date and to assure
parts availability. Instructions for making this correction have been sent to your dealer. Please ask your dealer if you
wish to know how much time will be needed to schedule, process, and repair your vehicle.
If you have any questions or need any assistance, just contact your dealer or the appropriate Customer Assistance
Center at the number listed below.
Division Number Text Telephones (TTY)
Buick 1-866-608-8080 1-800-832-8425
Chevrolet 1-800-630-2438 1-800-833-2438
Puerto Rico – English 1-800-496-9992
Puerto Rico – Español 1-800-496-9993
Virgin Islands 1-800-496-9994
Emission Law Information: In order to ensure your full protection under the emission warranty made applicable to
your vehicle by state and federal law, and your right to participate in future recalls, it is recommended that you have
your vehicle serviced as soon as possible. Failure to do so could legally be determined to be lack of proper
maintenance of your vehicle. Also, your vehicle may fail a state or local emission inspection if this recall is not
accomplished.
IMPORTANT MESSAGE FOR CALIFORNIA RESIDENTS
The California Air Resources Board (CARB) requires vehicle emission recalls be completed prior to California
registration renewal. Uncorrected emission recalls will result in the inability to renew your California vehicle registration.
At the time of emission recall completion, your California dealer will issue a “Proof of Correction Certificate”. Keep this
certificate and, if required, present it to the Department of Motor Vehicles when renewing your California registration as
proof of recall completion.
We are sorry to cause you this inconvenience; however, we have taken this action in the interest of your continued
satisfaction with our products.
Maryann L. Combs
Vice President
Global Vehicle Safety
A202317281

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