Special Coverage Adjustment
29400 Diesel Emission Fluid Tank Reservoir
Reference Number:

Make
Chevrolet
Chevrolet
Chevrolet
GMC
GMC

Release Date:
Revision:

N16202940

Model
Cruze
Express
Silverado HD
Savana
Sierra HD

Model Year
From
To
2014
2015
2013
2015
2013
2015
2013
2015
2013
2015

RPO
LUZ
LGH
LML
LGH
LML

November 2016
00

Description
2.0L Diesel Engine
6.6L Diesel Engine
6.6L Diesel Engine
6.6L Diesel Engine
6.6L Diesel Engine

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

On certain 2013-2015 model year Chevrolet Express, Chevrolet Silverado HD, GMC Savana, GMC
Sierra HD, and 2014-2015 model year Chevrolet Cruze vehicles that are equipped with a diesel engine
(RPO LML/LGH/LUZ), a malfunction-indicator light (MIL) may illuminate due to an offset in the
temperature sensor in the diesel-emission-reduction fluid (DEF) tank reservoir or increased DEF tankheater resistance.
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
November 17, 2016, 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 November 17, 2016, must
be submitted to the Service Contract provider.

Correction

Dealers are to replace the DEF tank reservoir. The repairs will be made at no charge to the customer.

Parts
Quantity
1
1
1
2 (All Models)

Part Name
Emission Reduction Fluid Tank Reservoir Kit
Emission Reduction Fluid Tank Reservoir Kit
Emission Reduction Fluid Tank Reservoir Kit
Diesel Exhaust Fluid

1 (Express/Savana,
Silverado/Sierra HD)

Diesel Exhaust Fluid

Part No.
23379348
23379347
23377881
19286292 (US)
88865752 (CA)
19286291 (US)
88865751 (CA)

Note: Use the vehicle identification number (VIN) and the GM Electronic Parts Catalog (EPC) to determine which emission
reduction fluid tank reservoir kit to order.
Warranty Information
Labor
Operation
9900350
9900351

9900352

9900353

Description
Diagnostic Time Only – No Repair Required
Emission Reduction Fluid Tank Reservoir Replacement:
Cruze
Express/Savana and 2013-2014 Silverado/Sierra HD
2015 Silverado/Sierra HD
Add: Diagnosis Time: You may claim up to the allowable hours
depending on actual time to perform electrical diagnosis
Customer Reimbursement Approved
- For USA and Canada dealers only
- For Export dealers only
Customer Reimbursement Denied – For USA dealers only

Labor
Time
0.1-0.3

Trans.
Type
ZREG

Net
Item
N/A

0.6
2.2
1.5
0.3

ZREG

N/A

ZREG

*

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
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.
Copyright 2016 General Motors. All Rights Reserved.

Page 1 of 3

Special Coverage Adjustment
29400 Diesel Emission Fluid Tank Reservoir
Service Procedure
Verify that the emission reduction fluid tank reservoir requires replacement.
information in SI.

Refer to the appropriate diagnostic



If the emission reduction fluid tank reservoir does NOT require replacement, no further action is required. Inform
the customer that any additional diagnosis and repairs are not covered under this special coverage.



If the emission reduction fluid tank reservoir requires replacement, replace the emission reduction fluid tank
reservoir. Refer to Emission Reduction Fluid Tank Reservoir 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, Sections 1.4 and 6.1.10, 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 December 31, 2017. See General Motors Service Policies and Procedures
Manual, Section 6.1.11 – Product Field Action Customer Reimbursement Procedure (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 Adjustment
29400 Diesel Emission Fluid Tank Reservoir
November 2016
This notice applies to your vehicle, VIN: _____________________________________
Dear General Motors Customer:
As the owner of a 2013-2015 model year Chevrolet Express, Chevrolet Silverado HD, GMC Savana, GMC Sierra HD,
or 2014-2015 model year Chevrolet Cruze vehicle, your satisfaction with our product is very important to us.
This letter is intended to make you aware that certain 2013-2015 model year Chevrolet Express, Chevrolet Silverado
HD, GMC Savana, GMC Sierra HD, and 2014-2015 model year Chevrolet Cruze vehicles that are equipped with a
diesel engine, a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the dieselemission-reduction fluid (DEF) tank reservoir or increased DEF tank-heater resistance.
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 2013-2015 model year Chevrolet Express, Chevrolet Silverado HD, GMC Savana, GMC
Sierra HD, or 2014-2015 model year Chevrolet Cruze vehicle 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.
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 have paid for repairs for the condition described in this letter, 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 December 31, 2017,
unless state law specifies a longer reimbursement period.
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
Chevrolet
GMC
Puerto Rico – English
Puerto Rico – Español
Virgin Islands

Number
1-800-222-1020
1-800-462-8782
1-800-496-9992
1-800-496-9993
1-800-496-9994

Text Telephones (TTY)
1-800-833-2438
1-800-889-2438

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.
Terry M. Inch
Executive Director
Global Connected Customer Experience

Enclosure
29400

Page 3 of 3

GLOBAL SAFETY FIELD INVESTIGATIONS
DCS4258
URGENT - DISTRIBUTE IMMEDIATELY
Date:

November 17, 2016

Subject: 29400 - Special Coverage
Diesel Emission Fluid Tank Reservoir
Models: 2014-2015 Chevrolet Cruze
Equipped with 2.0L Diesel Engine (RPO LUZ)
2013-2015 Chevrolet Express
2013-2015 Chevrolet Silverado HD
2013-2015 GMC Savana
2013-2015 GMC Sierra HD
Equipped with 6.6L Diesel Engine (RPO LML/LGH/LUZ)
To:

All Chevrolet and GMC Dealers

General Motors is releasing Special Coverage 29400 today. The total number
of U.S. vehicles involved is approximately 310,000. Please see the attached
bulletin for details.
Customer Letter Mailing
The customer letter mailing will begin on November 25, 2016.
Global Warranty Management (GWM)
The Investigate Vehicle History (IVH) screen in the GWM system will be updated
November 17, 2016.
END OF MESSAGE
GLOBAL SAFETY FIELD INVESTIGATIONS