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Bulletin No.: 16139
Date: March 2017

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.

Parts Information

Quantity	Part Name	Part No.
1	Duct – Air Cleaner Outlet	94537633 19 Reviews GM 94537633 DUCT ASM-A/CL OTLT 1.8L. $89.67 Buy on Amazon Price incl. tax, excl. shipping Last update on 2026-06-20 / Affiliate links / Images from Amazon Product Advertising API

Reminder: Parts may be removed from Retail Inventory Management (RIM). Dealers should review the affected parts to confirm RIM managed status.

Warranty Information

* For USA and Canada: Submit the dollar amount reimbursed to the Customer in Net/Reimbursement. Submit $20.00 administrative allowance in Net/Admin Allowance.

** Submit $10.00 administrative allowance in Net/Admin Allowance.

Service Procedure

1. Verify the Malfunction Indicator Lamp (MIL) is illuminated. Determine if DTC P0171 or P0101 are present.
   • If DTC P0171 or P0101 is not present, no further action is required. Inform the customer that the cause for the MIL lamp is not covered by this bulletin.
   • If DTC P0171 or P0101 is present, inspect the air cleaner outlet duct for cracks or splits. If cracks or splits are present, proceed to step #2.
2. Replace the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement in SI.

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 April 30, 2018. 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.

March 2017

This notice applies to your vehicle, VIN:_________________________

Dear General Motors Customer:

As the owner of a 2012-2014 model year Chevrolet Sonic, your satisfaction with our product is very important to us.

This letter is intended to make you aware that some 2012-2014 model year Sonic vehicles, equipped with a 1.8L engine, may have a condition where a P0171 Fuel System Lean or P0101 Mass Air Flow (MAF) Sensor Performance diagnostic trouble code may set as a result of a cracked air cleaner outlet duct.

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 2012-2014 model year Sonic 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 April 30, 2018, 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, 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
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.

Terry M. Inch
Executive Director
Global Connected Customer Experience

Enclosure
16139