N222386050 Left Side B-Pillar Wire Harness Fire – 2003-2023 Chevrolet Express & GMC Savana Cutaway

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Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Copyright 2023 General Motors. All Rights Reserved. Page 1 of 9 Release Date: April 2023 Revision: 01 Revision Description: Bulletin N222386050 has been revised to include a copy of the customer notification letter. Please discard all previous copies of bulletin N222386050. Attention: 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 dealer inventory must be held and not delivered to customers, dealer traded, or used for demonstration purposes until the repair contained in this bulletin has been performed on the vehicle. Make Model Model Year RPO Description From To Chevrolet Express Cutaway 2003 2023 GMC Savana Cutaway 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 that a defect which relates to motor vehicle safety exists in certain 2003-2023 Chevrolet Express Cutaway and GMC Savana Cutaway incomplete vehicles. These vehicles are equipped with an unused circuit that a final-stage manufacturer may elect to use to install an optional rear HVAC system. If the final-stage manufacturer leaves the circuit’s connectors or cut wires unsealed, exposure to moisture or contamination may, over time, cause corrosion. In rare cases, this could result in high current draw through the circuit at the vehicles’ lower left side B-pillar. Unintended release of excessive heat from the circuit may pose a risk of a vehicle fire and increase the risk of injury. Correction The rear HVAC blower motor circuit(s) at the left side B-pillar will be properly sealed to prevent moisture exposure. Parts Quantity Part Name Part No. As Required TE Connectivity ES-CAP-NO.2-B9-0-30MM ** As Required Yellow DuraSeal Splice Sleeves (Pkg of 10) 19300091* ** Paste ES-CAP-NO.2-B9-0-30MM : RAYCHEM Splice Sealing End Cap(ES-Cap) | TE Connectivity into your browser. This will link to the supplier site for ordering the required parts. If the above caps are not available, a locally sourced cap may be used. It must be a dual wall adhesive lined shrink cap with a minimum 5.7mm ID in preshrunk configuration. * The 19300091-splice sleeve may be in limited supply from CCA. Alternate GM Part numbers #12355056 and #19168448 are previous numbers for the same part and can be used for this repair. A/C Delco #16-7530 is also an acceptable alternative part. These alternate part numbers are available from aftermarket suppliers, do not attempt to order them from CCA. If there is no availability of the above listed GM parts, a locally sourced splice sleeve meeting the following specification can be used. • Wire size: 12-10 AWG • Insulation Sleeve: Heat shrinkable nylon with a hot melt adhesive lining • Crimp Barrel: Tin-plated copper alloy Reminder: Parts may be removed from Retail Inventory Management (RIM). Dealers should review the affected parts to confirm RIM managed status. Parts may have quantity limiters in effect. Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Page 2 of 9 Warranty Information Labor Operation Description Labor Time Trans. Type Net Item 9106775 Repair HVAC Circuits as Required ADD: Remove Seat 0.8 0.2 ZFAT * 9106778 Customer Reimbursement Approved ZFAT ** – For USA and Canada dealers only N/A – For Export dealers only 0.2 9106779 Customer Reimbursement Denied – For USA dealers only N/A ZFAT *** Note: To avoid having to “H” route the customer reimbursement transaction for approval, it must be submitted prior to the repair transaction. * The amount identified in “Net Item” should represent the actual sum total of the current GMCC&A Dealer net price for dual wall adhesive lined shrink cap needed to perform the required repairs, not to exceed $4.00 USD, $5.40 CAD, plus applicable Mark-Up or Landed Cost (for Export). ** For USA & 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 USD administrative allowance in Net/Admin Allowance. Service Procedure 1. If the vehicle is equipped with a power driver seat, position the seat in the forward most position. 2. Disconnect the Battery. Refer to Battery Negative Cable Disconnection and Connection in SI. NOTE: Depending on the upfitter build configuration, the driver seat may need to be removed. 3. Remove the left lower pillar garnish molding. Refer to Lower Pillar Garnish Molding Replacement in SI. 6318094 4. Locate the wire bundle positioned below the driver side seat belt retractor. Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Page 3 of 9 6318095 5. Identify the Rear HVAC Blower two wire circuit, RED/WHITE Tracer and BLACK. CAUTION: The below steps are for rear HVAC blower circuits that are not being used (terminated leads). If the circuit is in use, proceed to the REAR HVAC BLOWER CIRCUIT CONNECTOR REMOVAL section. 6318331 • This circuit may have a connector attached. If a connector is present, cut the connector off 25mm (1.0 in.) from the connector housing (1) and discard. Proceed to step six. • If the circuit is wrapped in electrical tape only, cut the wires 25mm (1.0 in.) from the end. Proceed to step six. TIP: Use a sewing seam ripper, available from sewing supply stores, in order to cut open the harness in order to avoid wire insulation damage. 6. Remove 50mm (2.0 in.) of the wire harness wrap. Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Page 4 of 9 6318098 6318101 7. Install two of the specified wire caps on the individual RED/WHITE Tracer and BLACK wires. Apply heat to shrink the two caps as required 6318102 Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Page 5 of 9 8. Inspect for the installation of a secondary two wire circuit of the same gauge wires with a RED/BLACK Tracer and BROWN wires. 9. If the second circuit is installed, remove the wire harness wrap, trim the wire length, and cap the wires as described above. 6318103 10. Using electrical tape, bundle the wires as shown. 6318118 11. Neatly tuck the bundle under the seatbelt retractor as shown to prevent interference with the garnish molding. 12. Reinstall the left lower pillar garnish molding. Refer to Lower Pillar Garnish Molding Replacement in SI. Reinstall the driver seat if previously removed. 13. Reconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in SI. REAR HVAC BLOWER CIRCUIT CONNECTOR REMOVAL 1. If the Rear HVAC Blower two wire circuit RED/WHITE Tracer and BLACK is being used, the plug connectors must be removed, and the connection be made with DuraSeal Splice Sleeves. 2. Carefully inspect the wires for corrosion. 3. Refer to Wire to Wire Repair in SI. Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Page 6 of 9 Dealer Responsibility – For USA & Export (USA States, Territories, and Possessions) 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. The US National Traffic and Motor Vehicle Safety Act provides that each vehicle that is subject to a recall of this type must be adequately repaired within a reasonable time after the customer has tendered it for repair. A failure to repair within sixty days after tender of a vehicle is prima facie evidence of failure to repair within a reasonable time. If the condition is not adequately repaired within a reasonable time, the customer may be entitled to an identical or reasonably equivalent vehicle at no charge or to a refund of the purchase price less a reasonable allowance for depreciation. To avoid having to provide these burdensome remedies, every effort must be made to promptly schedule an appointment with each customer and to repair their vehicle as soon as possible. In the recall notification letters, customers are told how to contact the US National Highway Traffic Safety Administration if the recall is not completed within a reasonable time. Dealer Responsibility – All 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. Dealer Reports – For USA & Export 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. Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Page 7 of 9 Customer Notification USA & Canada – General Motors will notify customers of this recall on their vehicle (see copy of customer letter included with this bulletin). Export – Letters will be sent to known owners of record located within areas covered by the US National Traffic and Motor Vehicle Safety Act. For owners outside these areas, dealers should notify customers using the attached sample letter. Customer Reimbursement Customer requests for reimbursement of previously paid repairs to correct the condition described in the bulletin can be submitted at anytime to the dealer. See General Motors Service Policies and Procedures Manual, 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 Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Page 8 of 9 IMPORTANT SAFETY RECALL May 2023 This notice applies to your vehicle, VIN: _____________________________________ Dear General Motors Customer: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2003-2023 Chevrolet Express Cutaway and GMC Savana Cutaway incomplete vehicles. As a result, GM is conducting a safety recall. We apologize for this inconvenience. However, we are concerned about your safety and continued satisfaction with our products. IMPORTANT • Your vehicle is involved in GM recall N222386050. • Schedule an appointment with your GM dealer. • This service will be performed for you at no charge. Why is your vehicle being recalled? These vehicles are equipped with an unused circuit that a final-stage manufacturer may elect to use to install an optional rear HVAC system. If the final-stage manufacturer leaves the circuit’s connectors or cut wires unsealed, exposure to moisture or contamination may, over time, cause corrosion. This could result in high current draw through the circuit at the vehicles’ lower left side B-pillar. Unintended release of excessive heat from the circuit may pose a risk of a vehicle fire and increase the risk of injury. What will we do? Your GM dealer will properly seal the rear HVAC blower motor circuit(s) at the left side B-pillar to prevent moisture exposure. This service will be performed for you at no charge. Because of service scheduling requirements, it is likely that your dealer will need your vehicle longer than the actual service correction time of approximately 70 minutes. What should you do? You should contact your GM dealer to arrange a service appointment as soon as possible. Did you already pay for this repair? Even though you may have previously had repairs for this condition, you will still need to take your vehicle to your dealer for additional repairs. If you have already paid for repairs for the recall condition, 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. Do you have questions? If you have any questions or concerns that your dealer is unable to resolve, please contact 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. Safety Recall N222386050 Left Side B-Pillar Wire Harness Fire Page 9 of 9 Division Number Text Telephones (TTY) Chevrolet 1-800-222-1020 711 / 1-800-833-2438 GMC 1-800-462-8782 711 / 1-800-833-2438 Puerto Rico – English 1-866-467-9700 Puerto Rico – Español 1-866-467-9700 Virgin Islands 1-866-467-9700 If after contacting your dealer and the Customer Assistance Center, you are still not satisfied we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590, or call the toll-free Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to http://www.nhtsa.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 23V247. Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. Regina A. Carto Vice President Global Product Safety and Systems Enclosure GM Recall: N222386050

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GLOBAL SAFETY FIELD INVESTIGATIONS DCS6523 URGENT – DISTRIBUTE IMMEDIATELY Date: April 6, 2023 Subject: N222386050 – Safety Recall Left Side B-Pillar Wire Harness Fire Models: 2003-2023 Chevrolet Express Cutaway 2003-2023 GMC Savana Cutaway To: All General Motors Dealers General Motors is releasing Safety Recall N222386050 today. The total number of U.S. vehicles involved is approximately 149,244. Please see the attached bulletin for details. Frequently Asked Questions Document (FAQs) Attached to this message you will find a document that addresses the ten most likely questions customers may have regarding this Safety Recall. Please use this information as an aid to confidently answer customer concerns. Global Warranty Management (GWM) The Required Field Action section on the Investigate Vehicle History (IVH) screen will be updated April 6, 2023. A list of vehicles in dealer inventory is attached to this message. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-247 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : General Motors, LLC Submission Date : APR 06, 2023 NHTSA Recall No. : 23V-247 Manufacturer Recall No. : N222386050 Manufacturer Information : Manufacturer Name : General Motors, LLC Address : 29427 Louis Chevrolet Road MAIL CODE 480-210-2V WARREN MI 48093 Company phone : 586-596-1733 Population : Number of potentially involved : 149,028 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2003-2023 Chevrolet Express Cutaway Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the recall population. This recall only applies to vehicles supplied with wiring for the rear HVAC system (RPO ENC). Vehicles not equipped with this wiring are not included in this recall. There are 138,588 Chevrolet Express Cutaway vehicles affected by this recall. Production Dates : AUG 12, 2002 – MAR 27, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2003-2023 GMC Savana Cutaway Vehicle Type : Body Style : Power Train : NR Descriptive Information : Manufacturing records were used to determine the recall population. This recall only applies to vehicles supplied with wiring for the rear HVAC system (RPO ENC). Vehicles not equipped with this wiring are not included in this recall. There are 10,440 GMC Savana Cutaway vehicles affected by this recall. Production Dates : MAY 08, 2002 – MAR 23, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 23V-247 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Defect : Description of the Defect : General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2003-2023 Chevrolet Express Cutaway and GMC Savana Cutaway incomplete vehicles. These vehicles are equipped with an unused circuit that a final-stage manufacturer may elect to use to install an optional rear HVAC system. If the final-stage manufacturer leaves the circuit’s connectors or cut wires unsealed, exposure to moisture or contamination may, over time, cause corrosion. In rare cases, this could result in high current draw through the circuit at the vehicles’ lower left side B-pillar. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Unintended release of excessive heat from the circuit may pose a risk of a vehicle fire and increase the risk of injury. Description of the Cause : Unsealed rear HVAC blower motor connectors or cut wires may not protect against exposure to moisture. Identification of Any Warning that can Occur : [Intentionally left blank] Involved Components : Component Name 1 : HARNESS ASM-BODY WRG Component Description : Body Wiring Component Part Number : 86818383, 86818384, 86818385, 86818387, 86818388, 86818390 Supplier Identification : Component Manufacturer Name : [Intentionally left blank] Address : NR NR Country : NR Chronology : On December 6, 2022, GM opened a product investigation to investigate two alleged fire incidents involving 2013 and 2014 Chevrolet Express Cutaway incomplete vehicles. Part 573 Safety Recall Report 23V-247 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Between January 12, 2023, and March 27, 2023, GM’s investigator analyzed vehicle inspection reports from the two subject vehicles and retrieved and analyzed field data for all Express Cutaway and GMC Savana Cutaway (which shares a design with the Express) sold for model years 2005 through 2023, comprising approximately 167,000 units. Analysis of the field data, including legal claims, identified a total of eight potentially related complaints, six of which alleged fires. GM was provided notice of those fires on: 06/08/2018, 05/13/2019, 06/20/2019 (two incidents), 12/01/2020, and 12/12/2022. GM’s investigation determined that an unsealed rear HVAC blower motor circuit could corrode over time, which in rare cases could cause excessive heat in the circuit that could lead to a fire. On March 30, 2023, GM’s Safety Field Action Decision Authority (SFADA) decided to conduct a safety recall. GM is not aware of any accidents or injuries associated with this condition. 2003 and 2004 model year vehicles use the same wiring design and are included in the recall population. Description of Remedy : Description of Remedy Program : The rear HVAC blower motor circuit(s) at the left side B-pillar will be properly sealed to prevent moisture exposure. Pursuant to 577.11, GM will provide reimbursement to owners for repairs according to the plan submitted on May 12, 2021. How Remedy Component Differs from Recalled Component : The rear HVAC blower motor circuit(s) at the left side B-pillar will be properly sealed. Identify How/When Recall Condition was Corrected in Production : [Intentionally left blank] Recall Schedule : Description of Recall Schedule : Dealers will be notified on April 6, 2023. Owner notification is estimated to begin May 22, 2023. Planned Dealer Notification Date : APR 06, 2023 – APR 06, 2023 Planned Owner Notification Date : MAY 22, 2023 – MAY 22, 2023 * NR – Not Reported

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