NHTSA ID Number: 11006391
Manufacturer Communication Number: N232395330-01
TSB/Document Date: 2024-08-15
Summary
Special Coverage - certain vehicles may have a condition that could cause the turbocharger to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. Additionally, the engine may run rough or have reduced power. Dealers are to replace the turbocharger as necessary. The repairs will be made at no charge to the customer.
GENERAL MOTORS![]()
DCS6983
URGENT - DISTRIBUTE IMMEDIATELY
Date:
August 15, 2024
Subject: REVISION: N232395330-01 – Special Coverage
Turbocharger Replacement
Revised Parts Table
Models: 2017 – 2018 Buick
Encore
2017 – 2018 Chevrolet
Sonic
2017 – 2018 Chevrolet
Trax
Equipped with 1.4L Engine (RPO LUV)
This bulletin is being revised to update the Parts table. Please discard all
previous copies of N232395330.
END OF MESSAGE
Special Coverage
N232395330 Turbocharger Replacement
Release Date:
Revision Description:
Attention:
August 2024
01
This bulletin is being revised to update the Parts table. Please discard all previous
copies of N232395330.
This Special Coverage can be seen in the Applicable Warranties section in Investigate Vehicle History
(IVH).
Make
Buick![]()
Revision:
Model
Encore
Sonic
Trax
Model Year
From
To
RPO
Description
2017
LUV
1.4L, 4-cylinder, gas engine
2018
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
Adjustment
Certain 2017-2018 model year Chevrolet
Sonic/Trax and Buick
Encore vehicles equipped with a 1.4L
engine may have a condition that could cause the turbocharger to fail. If this condition occurs, the
Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set.
Additionally, the engine may run rough or have reduced power.
This special coverage covers the condition described above for a period of 10 years or 120,000 miles
(193,000 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
February 14, 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 February 14, 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 turbocharger as necessary. The repairs will be made at no charge to the
customer.
Parts
Quantity
Part Name
1
1
Turbocharger Assembly
Coolant
1
1
1
1
8
3
3
1
2
1
1
2
Exhaust Pipe Clamp
Catalytic Converter Gasket
Catalytic Converter Seal
Exhaust Manifold Gasket
Exhaust Manifold Nut
Catalytic Converter Nut
Right Side Engine Mount Bolt
Turbo Coolant Feed Pipe Assembly
Turbo Coolant Feed Pipe Seal
Turbo Oil Return Pipe Gasket
Turbo Oil Return Pipe Assembly
Turbo Oil Feed Pipe Seal
Copyright 2024 General Motors
. All Rights Reserved.
Part No.
25201063
12346290(US)
10953464(CA)
55565351
95020217
55570704
55565348
55565352
11102751
11570514
28290067
25198928
28290068
28290069
25200945
Page 1 of 4
Special Coverage
N232395330 Turbocharger Replacement
Reminder: Parts may be removed from SPRINT and Retail Inventory Management (RIM) and be non returnable. Dealers
should review the affected parts to confirm RIM managed status. Some parts have limited initial part availability so dealers
are encouraged not to order these parts for use as shelf stock. Parts may have quantity limiters in effect.
Warranty Information
Labor
Operation
Description
9900838
Diagnostic Time Only – No Repair Required
Turbocharger Replacement
Sonic
9900839
Trax/Encore
Add: Diagnosis
Customer Reimbursement Approved
9900840
- For USA and Canada dealers only
- For Export dealers only
9900841
Customer Reimbursement Denied – For USA dealers only
*
Labor
Time
0.1-1.0
2.5
3.1
0.1-1.0
Trans.
Type
Net
Item
N/A
ZREG
N/A
0.2
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.
For Export: Submit the dollar amount reimbursed to the Customer in Net/Reimbursement.
**
Submit $10.00 administrative allowance in Net/Admin Allowance.
Service Procedure
1.
2.
A vehicle may come in with P0299 or other turbocharger-related DTCs. Following the troubleshooting chart in SI may
lead to turbocharger replacement.
•
If the troubleshooting chart does NOT lead to turbocharger replacement, no further action is required. Inform the
customer that any additional repairs will have to be handled under customer pay.
•
If the troubleshooting DOES lead to turbocharger replacement, proceed to step 2.
Replace the turbocharger. Refer to Compressor Air Intake Turbocharger Replacement in SI.
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 March 31, 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 4
Special Coverage
N232395330 Turbocharger Replacement
March 2024
This notice applies to your vehicle, VIN: _____________________________________
Dear General Motors
Customer:
As the owner of a 2017-2018 model year Buick
Encore, Chevrolet
Sonic, or Chevrolet
Trax, your satisfaction with our
product is very important to us.
This letter is intended to make you aware that some 2017-2018 model year Buick
Encore, Chevrolet
Sonic, or Chevrolet![]()
Trax vehicles, equipped with a 1.4L Turbo Gas engine may have a condition where the turbocharger could fail. If this
condition occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will
set. Additionally, the engine may run rough or have reduced power.
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 2017-2018 model year Buick
Encore, Chevrolet
Sonic, or Chevrolet
Trax within 10 years
of the date your vehicle was originally placed in service or 120,000 miles (193,000 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 March 31, 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
Buick![]()
Chevrolet![]()
Puerto Rico – English
Puerto Rico – Español
Virgin Islands
Number
1-800-521-7300
1-800-222-1020
1-866-467-9700
1-866-467-9700
1-866-467-9700
Text Telephones (TTY)
711 / 1-800-833-2438
711 / 1-800-833-2438
Page 3 of 4
Special Coverage
N232395330 Turbocharger Replacement
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
N232395330
Page 4 of 4
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- Protection for 10,000 miles between oil changes
- Meets or exceeds the following specifications: API SP/SN...
- Formulated for engines with 75,000 miles or more, Valvoline...
- Delivers 20% better wear protection and 15% better sludge...
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TSB/Document ID: N232395330-01
Replacement Service Bulletin Number:
MFR Communication Date: 2024-08-15
MFR Internal Campaign ID/Software Version: N232395330-01
Communication Type: Service Campaign
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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