NHTSA ID Number: 10202704
Manufacturer Communication Number: TSB 21-2341
Summary
Some 2021 Corsair vehicles built on 4-Jan-2021 and through 19-Mar-2021 may exhibit an inoperative passenger seat massage function. This may be due to the radio transceiver module (RTM). To correct the condition, follow the Service Procedure to replace the RTM and update the configuration.
Model:
2021 Corsair
Issue: Some 2021 Corsair vehicles built on 4-Jan-2021 and through 19-Mar-2021 may exhibit an inoperative passenger seat massage function. This may be due to the radio transceiver module (RTM). To correct the condition, follow the Service Procedure to replace the RTM and update the configuration.
Action: Follow the Service Procedure steps to correct the condition on vehicles that meet all of the following criteria:
- 2021 Corsair
- Built on 4-Jan-2021 and through 19-Mar-2021
- Inoperative passenger seat massage
Parts
| Service Part Number | Quantity | Description | Unit of Issue | Piece Quantity |
| F2GZ-15607-C | 1 | Radio Transceiver Module | 1 | 1 |
| W720618-S300 | 4 | Pushpin | 4 | 13 |
Quantity refers to the amount of the service part number required to repair the vehicle.
Unit of Issue refers to the number of individual pieces included in a service part number package.
Piece Quantity refers to the total number of individual pieces required to repair the vehicle.
Parts can be billed out as non-whole numbers, including less than 1.
Service Procedure
NOTE: Do not connect the vehicle communications module (VCM) to the vehicle or Ford Diagnosis and Repair System (FDRS) until Step 15.
NOTE: The passenger multi-contour seat will not enter massage mode unless the passenger seat is occupied (greater than 9.07 kg (20 lb) on the seat cushion).
1. Partially lower the rear portion of the headliner, exposing the RTM. Refer to Workshop Manual (WSM), Section 501-05.
(1). Remove the 2 grab handles at the rear doors.
(2). Remove the loadspace trim panel.
(3). Remove the C and D pillar trim panels to gain access.
(4). Remove the 2 pushpins at the rear of headliner.
2. Remove and replace the RTM. Refer to WSM Section, 419-10.
3. To install, reverse the headliner removal steps.
4. Do not connect a VCM device to any personal computer (PC) installed with FDRS.
5. Launch FDRS.
6. Log in to FDRS.
7. At the device manager screen, select the Cancel button and do not connect a VCM device.
8. On the New Vehicle Screen, review all existing vehicle identification numbers (VINs) listed. Click the checkbox if the VIN is found in the list, click the trash can button to delete all saved vehicle data.
9. On the New Vehicle Screen, enter the VIN in Type VIN In Here.
10. Once a VIN is entered, select the Go button.
11. User will be prompted with a pop-up stating Vehicle Communication Device not detected.
12. Select Continue.
13. Select the RTM and find the RTM PMI application.
14. Select the Download button.
15. Once the application is downloaded, connect the VCM device to the FDRS computer and the vehicle.
16. Go to the lower toolbar and select the red VCM symbol. A pop-up for the device manager appears.
17. Select the corresponding selection that applies to the setup being used by the user.
(1). Commonly a VCM-II and Wired is used.
18. Select the OK button.
19. The Vehicle Communication icon on the bottom of the screen turns green indicating a proper connection.
20. From the toolbox, select the run button on the RTM PMI procedure.
21. The application will launch. Follow all on-screen prompts to perform the update.
NOTE: The massage seat only functions when adequate seat pressure is applied by an occupant.
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
| LINCOLN | CORSAIR | 2021 |
1 Associated Document
Manufacturer Communications
21-2341
18 October 2021
- Deep Tissue Shiatsu Back Massage: COMFIER back massager for chair features 4 rotating Shiatsu nodes that travel up and down the back for deep kneading massage. Choose from 2 adjustable intensity levels to deliver targeted deep tissue pressure for back pain relief and tight, sore back muscles.
- 4 Targeted Back Massage Options: Choose Full Back, Upper Back or Lower Back massage, or select Spot Massage to focus the Shiatsu nodes on one specific painful or tense area. Use the up/down controls to position the massage exactly where targeted deep tissue relief is needed.
- Soothing Heat & Auto Shut Off: The Shiatsu back massage combines deep kneading with an optional heating pad to help loosen tight back muscles before or during targeted massage. This Back massager with heat features overheat protection, while the back massager with auto shut off automatically ends each 15-minute massage session.
- Massage Chair Pad for Targeted Back Pain Relief: The integrated strap securely attaches the shiatsu chair massager to many office chairs, recliners, sofas and couches. Use this back massager for chair to provide therapeutic massage for back pain, muscle soreness and tension across the upper, mid and lower back.
- Back Massager for Home & Office Chairs: The integrated strap helps secure the massage chair pad to many office chairs, sofas and recliners. This corded electric back massager provides targeted deep tissue massage for back pain, stiffness and muscle tension, with a 15-minute auto shut-off for controlled massage sessions.
- 【10 Vibration Motors | Precision Zone Massage】 The Snailax Massage Chair Pad with Heat uses 10 powerful vibration motors (8 on the back, 2 on the seat) specifically targeting the shoulders, back and thighs of the human body, simulating the techniques of a masseur to deeply improve muscle soreness. Choose from 5 professional massage modes (M1 cycle mode, M2 intermittent pulse, M3 zone rotation, M4 wave-like intensity variation, M5 constant vibration) through the ergonomic controller. This massage chair pad has 3 intensity levels, from gentle relaxation to firm tissue massage, to meet different needs according to your preferences.
- 【2-Speed Intelligent Heating｜Safety and Worry-Free】 The Snailax Back massager with heat comes with 3 heating pads that cover the entire back and seat area to improve muscle stiffness in your back, hips and thighs. The heating function can be used alone, making it a great seat heater for cold winters. The massage seat cushion has built-in overheat protection, and you can choose the massage time of 30/60/90 minutes. The back massager will automatically shut down when the time is up to ensure your personal safety.
- 【Ultra-Light and Portable | Outdoor Design】 The snailax massage pad weighs only 2.87 pounds and is foldable. The chair massager can be placed on a chair or sofa indoors and can be easily carried when traveling, allowing you to enjoy massage and relax anytime, anywhere. The back massager for chair also has a non-slip rubber base and adjustable straps to prevent movement during use. Please note: car adapter not included.
- 【Professional comfort | Easy to clean】The exterior fabric of the snailax massage chair pad with heat is made of short plush fitting sponge and soft polyester fiber, which feels more skin-friendly than normal massage chairs and provides excellent touch. This chair massagers supports wet cloth cleaning and is detachable, providing you with a more convenient cleaning method.
- 【Exquisite gift bag | perfect gift】 The package of this back massager for chair contains 1 massage chair, 1 handbag, 1 adapter and 1 instruction manual. The equipped handbag can be convenient for you to carry when you go out, which can not only save space but also store the product completely. After receiving the product, you only need to follow the instructions to enjoy the comfort of the massage chair. The snailax back massager with heat is also a perfect gift for Mother's Day, Father's Day, Thanksgiving and Christmas. You can choose to give it to your favorite him/her.
- Back Massager with Heat & Customizable Vibration Modes：COMFIER back massager with heat features 4 vibration intensity levels and 5 massage modes. With 8 built-in motors targeting the neck, back, waist, and thighs, this massage chair pad provides a tailored and full-body experience. Enjoy your personalized comfort at the end of a long day. （Only vibration massage, without shiatsu and roller.）
- Chair Massager for Office Chair with Adjustable Heat:This chair massager for office chair includes two temperature settings to help you stay cozy and comfortable during cold days. Whether you're seated in a recliner at home or working at your desk, it brings gentle warmth and relaxation throughout the day. An excellent gift idea for Dad or anyone who enjoys comfort in their workspace.
- Massage Chair Pad with Easy-to-Use Timer Setting:COMFIER massage chair pad features a timer with 30-, 60-, and 90-minute options—giving you full control over your massage duration. It's ideal for a short break during work or winding down before bed. The timer adds convenience and confidence to every session. Perfect for Father's Day or everyday gifting.
- Heated Massage Seat Cushion with Overheat Protection:Safety meets comfort with the built-in overheat protection on this COMFIER massage seat cushion. You can enjoy every session knowing it's designed with extra care for peace of mind. A perfect companion for daily use—whether at home, in the office, or as a thoughtful gift for Dad.Exterior material: soft plush fabric 100% Polyester.
- Office Chair Massager with Universal Fit & Easy Setup:Designed to fit most office chairs and recliners, this back massager is easy to set up and use with its included home adapter. Its ergonomic shape suits various body types, making it a comfortable choice for long sitting hours. Whether it's a gift for your parents, friends or a treat for yourself, this back massager is the ideal Thanksgiving Christmas Birthday Valentines Mother‘s Father's Day gift choice to bring ultimate comfort and care to you and your loved ones.
- [Vibration Massage] CILI vibration massage chair pad features 10 vibration motors, with 8 located in the back and 2 in the buttocks area. These motors work together to deliver soothing and powerful massages to your back and thighs. This massage chair pad uses vibration only; it does not include kneading or rolling features.
- [Intelligent and Safe Heating Function] CILI back massager with heat is equipped with 3 heat elements. With 2 adjustable heating levels, CILI chair massager provides a comforting warm massage experience. The heating function can be used independently, and the back massager includes overheat protection as well as a convenient automatic shutdown function with 30, 60, and 90-minute options. The massage pad provides greater time selectivity compared to other products.
- [Soft and Foldable] CILI massage pad is crafted with super soft suede fabric,offering you an exceptional tactile experience. This versatile massage cushion can be conveniently used on sofas, office chairs, and recliners. Its foldable design allows for easy portability, enabling you to enjoy a comfortable massage anytime and anywhere you desire. Experience the ultimate convenience and relaxation with this flexible and travel-friendly massage cushion.
- [Customized Massage Settings] CILI chair massager pad offers 5 massage modes, allowing you to select the full-body massage or target specific areas such as the upper back, lower back, hips or thighs according to your preferences. The chair massager for recliner provides four-speed massage intensities to cater to your individual needs. Enjoy the flexibility of personalized settings for a truly customized massage experience.
- [Large size and Quiet Operation] With its generous size of 18.5*18.5*23.5 inches, the back massager for chair is suitable for customers of all sizes.Fits most chairs; not compatible with low-back or narrow chairs. Compared with other products, CILI massage chair allowing you to enjoy a peaceful massage session without any disturbance. Perfect fathers day gifts for dad.
- Full Back & Seat Vibration Massage--Designed with 8 vibration motors, this massage seat cushion delivers relaxing coverage across the upper back, lower back, and seat area. Perfect for unwinding after long hours at work or relaxing at home.
- Soothing Back Heat for Everyday Comfort--The built-in back heating area provides gentle warmth to help create a more comfortable sitting experience during work, reading, or resting at home.
- Comfortable Cushion for Home & Office Chairs--Use this back massager cushion on office chairs, sofas, recliners, or dining chairs. The lightweight foldable design makes it easy to move and store.
- Customizable Massage Settings--Select your desired massage areas, such as the neck, upper back, lower back, and seat, or combine all for comprehensive coverage. The chair massager includes 5 pre-programmed modes and 3 adjustable intensity levels, allowing you to tailor the massage experience to your preferences.
- Thoughtful Gift for Daily Relaxation--A practical comfort gift for parents, office workers, drivers, or anyone who spends long hours sitting. Ideal for birthdays, holidays, and everyday comfort.
SEOCONTENT-START
Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Service Part Warranty (SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/SPW/SSP/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool. Labor Times Description Operation No. Time 2021 Corsair: Replace The RTM Following The Service Procedure (Do Not Use With Any Other Labor Operations) 212341A 1.1 Hrs. Repair/Claim Coding Causal Part: 15607 Condition Code: 42
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SEOCONTENT-END
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