TSB: FORD AVIATOR, BRONCO SPORT, CONTINENTAL, CORSAIR, ECOSPORT, EDGE, ESCAPE, EXPEDITION, EXPLORER, F-150, F-250 SD, F-350 SD, F-450 SD, F-550 SD, FUSION, FUSION ENERGI, FUSION HYBRID, MKX, MKZ, MKZ HYBRID, MUSTANG, NAUTILUS, NAVIGATOR, RANGER, TRANSIT CONNECT (2019–2021)
Bulletin TSB 21-2342 — October 8, 2021
Bulletin Details
| Bulletin ID | TSB 21-2342 |
| Manufacturer | FORD |
| Models | AVIATOR, BRONCO SPORT, CONTINENTAL, CORSAIR, ECOSPORT, EDGE, ESCAPE, EXPEDITION, EXPLORER, F-150, F-250 SD, F-350 SD, F-450 SD, F-550 SD, FUSION, FUSION ENERGI, FUSION HYBRID, MKX, MKZ, MKZ HYBRID, MUSTANG, NAUTILUS, NAVIGATOR, RANGER, TRANSIT CONNECT |
| Model Years | 2019–2021 |
| Date Issued | October 8, 2021 |
| Date Added to NHTSA | November 2, 2021 |
| Component | ELECTRICAL SYSTEM |
| Vehicles Affected | 104 combinations |
What is a TSB?
A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.
If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.
Summary
Some 2019-2020 Edge/F-150/Fusion/Continental/MKZ/Nautilus, 2019-2021 Mustang/Ranger/Transit Connect, 2020-2021 EcoSport/Escape/Expedition/Explorer/F-Super Duty/Aviator/Corsair/Navigator and 2021 Bronco Sport vehicles with SYNC 3 may experie
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| LINCOLN | AVIATOR | 2021 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | AVIATOR | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | BRONCO SPORT | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | BRONCO SPORT | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | CORSAIR | 2021 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | CORSAIR | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | ECOSPORT | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | ECOSPORT | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | ESCAPE | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | ESCAPE | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | EXPEDITION | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | EXPEDITION | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | EXPLORER | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | EXPLORER | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-250 SD | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | F-250 SD | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-350 SD | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | F-350 SD | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-450 SD | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | F-450 SD | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-550 SD | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | F-550 SD | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | MUSTANG | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | MUSTANG | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | NAVIGATOR | 2021 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | NAVIGATOR | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | RANGER | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | RANGER | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | TRANSIT CONNECT | 2021 | 110000 ELECTRICAL SYSTEM |
| FORD | TRANSIT CONNECT | 2021 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | AVIATOR | 2020 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | AVIATOR | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | CONTINENTAL | 2020 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | CONTINENTAL | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | CORSAIR | 2020 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | CORSAIR | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | ECOSPORT | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | ECOSPORT | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | EDGE | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | EDGE | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | ESCAPE | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | ESCAPE | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | EXPEDITION | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | EXPEDITION | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | EXPLORER | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | EXPLORER | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-150 | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | F-150 | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-250 SD | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | F-250 SD | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-350 SD | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | F-350 SD | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-450 SD | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | F-450 SD | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-550 SD | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | F-550 SD | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | FUSION | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | FUSION | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | FUSION ENERGI | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | FUSION ENERGI | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | FUSION HYBRID | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | FUSION HYBRID | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | MKX | 2020 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | MKX | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | MKZ | 2020 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | MKZ | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | MKZ HYBRID | 2020 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | MKZ HYBRID | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | MUSTANG | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | MUSTANG | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | NAUTILUS | 2020 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | NAUTILUS | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | NAVIGATOR | 2020 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | NAVIGATOR | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | RANGER | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | RANGER | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | TRANSIT CONNECT | 2020 | 110000 ELECTRICAL SYSTEM |
| FORD | TRANSIT CONNECT | 2020 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | CONTINENTAL | 2019 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | CONTINENTAL | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | EDGE | 2019 | 110000 ELECTRICAL SYSTEM |
| FORD | EDGE | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | F-150 | 2019 | 110000 ELECTRICAL SYSTEM |
| FORD | F-150 | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | FUSION | 2019 | 110000 ELECTRICAL SYSTEM |
| FORD | FUSION | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | FUSION ENERGI | 2019 | 110000 ELECTRICAL SYSTEM |
| FORD | FUSION ENERGI | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | FUSION HYBRID | 2019 | 110000 ELECTRICAL SYSTEM |
| FORD | FUSION HYBRID | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | MKX | 2019 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | MKX | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | MKZ | 2019 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | MKZ | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | MKZ HYBRID | 2019 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | MKZ HYBRID | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | MUSTANG | 2019 | 110000 ELECTRICAL SYSTEM |
| FORD | MUSTANG | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| LINCOLN | NAUTILUS | 2019 | 110000 ELECTRICAL SYSTEM |
| LINCOLN | NAUTILUS | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | RANGER | 2019 | 110000 ELECTRICAL SYSTEM |
| FORD | RANGER | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
| FORD | TRANSIT CONNECT | 2019 | 110000 ELECTRICAL SYSTEM |
| FORD | TRANSIT CONNECT | 2019 | 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL |
Related FORD Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized FORD dealer. Bring this bulletin ID (TSB 21-2342) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.
Frequently Asked Questions
A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.
If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.
Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.
This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.