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NHTSA ID Number: 10130605
Manufacturer Communication Number: GCUS-9-2952
Summary
14652A-Special Coverage. On some vehicles a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) tank reservoir, increased tank-heater resistance, or reductant-system performance. If this condition occurs within the stated terms, dealer will replace the DEF tank reservoir and/or supply module pump.
10 Affected Products
Vehicles
CHEVROLET | EXPRESS | 2010-2012 |
CHEVROLET | SILVERADO 1500 | 2011 |
CHEVROLET | SILVERADO 2500 | 2012 |
GMC | SAVANA | 2010-2012 |
GMC | SIERRA DENALI | 2011-2012 |
Parts
RESERVOIR KIT-EMIS RDCN FLUID TK | 1 | 22902619 ![]() |
RESERVOIR KIT-EMIS RDCN FLUID TK | 1 | 22902620 ![]() |
RESERVOIR KIT-EMIS RDCN FLUID TK | 1 | 22905126 ![]() |
RESERVOIR KIT-EMIS RDCN FLUID | 1 | 22905128 |
MODULE KIT – Evaporation Emission System | 1 | 22902634 ![]() |
SEOCONTENT-START
#14652B: Special Coverage Adjustment – Diesel-Emission- Reduction Fluid Tank – (Feb 21, 2018)
Subject: | 14652B – Special Coverage Adjustment – Diesel-Emission-Reduction Fluid Tank |
Models: | 2010-2012 Chevrolet Express |
2011-2012 Chevrolet Silverado HD | |
2010-2012 GMC Savana | |
2011-2012 GMC Sierra HD | |
Equipped with 6.6L Diesel Engine (LML/LGH) |
This bulletin has been revised to add a new labor code for Emission Reduction Fluid Tank Reservoir and DEF Supply Pump Module Replacement. Please discard all copies of bulletin 14652A.
Condition
On some 2010-2012 model year Chevrolet Express and GMC Savana vehicles and 2011-2012 model year Chevrolet Silverado HD and GMC Sierra HD vehicles that are equipped with a 6.6L diesel engine (LML/LGH), a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) tank reservoir, increased tank-heater resistance, or reductant-system performance.
Special Coverage Adjustment
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.
Dealers are to replace the DEF tank reservoir and/or supply module pump. The repairs will be made at no charge to the customer.
For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after July 7, 2015, 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 July 7, 2015, must be submitted to the Service Contract provider.
Vehicles Involved
All involved vehicles are identified by Vehicle Identification Number on the Applicable Warranties section in GM Global Warranty Management system. Dealership service personnel should always check this site to confirm vehicle involvement prior to beginning any required inspections and/or repairs. It is important to routinely use this tool to verify eligibility because not all similar vehicles may be involved regardless of description or option content.
Parts Information
Parts required to complete this special coverage are to be obtained from General Motors Customer Care and Aftersales (GMCC&A).
Note: Use the vehicle identification number (VIN) and the GM Electronic Parts Catalog (EPC) to determine which reservoir and/or module to order.
Part Number | Description | Quantity/ Vehicle |
22902619 ![]() |
RESERVOIR KIT-EMIS RDCN FLUID TK | 1 |
22902620 ![]() |
RESERVOIR KIT-EMIS RDCN FLUID TK | 1 |
22905126 ![]() |
RESERVOIR KIT-EMIS RDCN FLUID TK | 1 |
22905128 | RESERVOIR KIT-EMIS RDCN FLUID | 1 |
22902634 ![]() |
MODULE KIT – Evaporation Emission System | 1 |
Note: Reservoir kits for 2010 – 2011 are not interchangeable with 2012 – 2016 kits.
Service Procedure
Note: If BOTH Emission Reduction Fluid Tank Reservoir or Pump Module are being replaced, refer to the Warranty Transaction Information in this bulletin.
- Verify that the Emission Reduction Fluid Tank Reservoir or Pump Module requires replacement. Refer to the appropriate diagnostic information in SI.
- If either the Emission Reduction Fluid Tank Reservoir, or Pump Module does NOT require replacement, no further action is required.

- If the Emission Reduction Fluid Tank Reservoir (2) or Pump Module (3) requires replacement in the DEF tank (1), refer to Emission Reduction Fluid Tank Reservoir Replacement or Emission Reduction Fluid Supply Pump Module Replacement.
Customer Reimbursement – For US
Customer requests for reimbursement of previously paid repairs to correct the condition described in this bulletin are to be submitted to the dealer by July 31, 2016 unless otherwise specified by state law. If this is not convenient for the customer, the customer may mail the completed Customer Reimbursement Request Form and all required documents to the GM Customer Assistance Center. Repairs must have occurred within the 10 years of the date the vehicle was originally placed in service, or 120,000 miles, whichever occurs first.
All reasonable and customary costs to correct the condition described in this bulletin should be considered for reimbursement. Any questions or concerns should be reviewed with your GM representative prior to processing the request.
When a customer requests reimbursement, they must provide the following:
- A completed Customer Reimbursement Request Form. This form is mailed to the customer or can be obtained through GM GlobalConnect.
- The name and address of the person who paid for the repair.
- Paid receipt confirming the amount of the repair expense, a description of the repair, and the person or entity performing the repair.
Important: GM requires dealers to approve or deny a reimbursement request within 30 days of receipt. If a reimbursement request is approved, the dealer should immediately issue a check to the customer and submit an appropriate warranty transaction for the incurred expense. If a reimbursement request is denied, the dealer MUST provide the customer with a clear and concise explanation, in writing, as to why the request was denied. The bottom portion of the Customer Reimbursement Request Form may be used for this purpose. If the denial was due to missing documents, the customer can resubmit the request when the missing documents are obtained, as long as it is still within the allowed reimbursement period.
Warranty transactions for customer reimbursement of previously paid repairs are to be submitted as required by GM Global Warranty Management. Additional information can also be found in Warranty Administration Bulletin 11-00-89-004.
Customer Reimbursement – For Canada and Export
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 July 31, 2016. Repairs must have occurred within the 10 years of the date the vehicle was originally placed in service, or 193,000 kilometers, whichever occurs first.
When a customer requests reimbursement, they must provide the following:
— Proof of ownership at time of repair.
— Original paid receipt confirming the amount of unreimbursed repair expense(s) (including Service Contract deductibles), a description of the repair, and the person or entity performing the repair.
All reasonable and customary costs to correct the condition described in this bulletin should be considered for reimbursement. Any questions or concerns should be reviewed with your GM representative prior to processing the request.
Courtesy Transportation – For US and Canada
The General Motors Courtesy Transportation program is intended to minimize customer inconvenience when a vehicle requires a repair that is covered by the New Vehicle Limited Warranties. The availability of courtesy transportation to customers whose vehicles are within the warranty coverage period and involved in a product program is very important in maintaining customer satisfaction. Dealers are to ensure that these customers understand that shuttle service or some other form of courtesy transportation is available and will be provided at no charge. Dealers should refer to the General Motors
Service Policies and Procedures Manual for Courtesy Transportation guidelines.
Warranty Transaction Information
Submit a transaction using the table below. All transactions should be submitted as a ZREG transaction type, unless noted otherwise.
Labor Code | Description | Labor Time | Net Item |
9900159 | Diagnostic Time Only – No Repair Required | 0.2 | N/A |
9900509 | Emission Reduction Fluid Tank Reservoir and DEF Supply Pump Module Replacement | 2.4* | N/A |
9900160 | Emission Reduction Fluid Tank Reservoir Replacement | 2.4* | N/A |
9900172 | Replace DEF Supply Pump Module | 1.9* | N/A |
9900161 | Customer Reimbursement Approved – For USA and Canada dealers only – For Export dealers only |
N/A 0.2 |
** |
9900162 | Customer Reimbursement Denied – For US dealers only | N/A | *** |
Note: To avoid having to “H” route the customer reimbursement transaction for approval, it must be submitted prior to the repair transaction.
* Includes diagnostic time.
** 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.
Customer Notification
General Motors will notify customers of this special coverage on their vehicles (see copy of typical customer letter included with this bulletin – actual divisional letter may vary slightly).
July 2015
Dear General Motors Customer:
This notice applies to your vehicle, VIN: _____________________________________
As the owner of a 2010-2012 model year Chevrolet Express, 2010-2012 model year GMC Savana, 2011-2012 model year Chevrolet Silverado HD, or 2011-2012 model year GMC Sierra HD vehicle, your satisfaction with our product is very important to us.
This letter is intended to make you aware that, on some 2010-2012 model year Chevrolet Express and GMC Savana vehicles and 2011-2012 model year Chevrolet Silverado HD and GMC Sierra HD vehicles equipped with a 6.6L diesel engine, a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) tank reservoir, increased tank-heater resistance, or reductant-system performance.
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 2010-2012 model year Chevrolet Express or GMC Savana or 2011-2012 model year Chevrolet Silverado or GMC Sierra 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 July 31, 2016 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 | Number | Text Telephones (TTY) |
Chevrolet | 1-800-222-1020 | 1-800-833-2438 |
GMC | 1-800-462-8782 | 1-888-889-2438 |
Guam | 65-6267-1752 | |
Puerto Rico – English | 1-800-496-9992 | |
Puerto Rico – Español | 1-800-496-9993 | |
Virgin Islands | 1-800-496-9994 |
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.
Alicia S. Boler-Davis
Sr. Vice President
Global Connected Customer Experience
Enclosure
14652
SEOCONTENT-END
Bulletin No.: 14652A
Date: October 2016
To View or Download this Document Click Here
Bulletin No.: 14652
Date: July 2015
To View or Download this Document Click Here
To View or Download this Document Click Here
To View or Download this Document Click Here
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- Reduces Fuel Consumption tests show an average of 4 percent improvement in MPG and gains up to 9.6 Percent
- Cetane Improver improves combustion resulting in better engine starting, running and reduced noise
- Reduces Wear: Lubricity improvers restore lubricity to ultra low sulfur diesel fuels
- Reduces Emissions reduces Smoke and Particulates
- MADE FOR OPTIMAL LUBRICATION: Your truck has been there for you every minute and every mile, which is why it’s important to keep it in pristine condition and the tools in the toolbox. At Opti-Lube, our goal is to keep your engine operating at its best. Our fuel additive helps to increase the lubricity properties of ultra-low-sulfur diesel (ULSD) so that you can play more and worry less.
- IMPROVES FUEL ECONOMY: Trucks are known for eating up fuel. Fortunately, there’s a way to fix that with Opti-Lube XPD formula. This diesel fuel additive has been shown to enhance fuel mileage year round, giving you more bang for your buck. With greater fuel economy, you’ll find increased power for both summer and winter driving.
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