| Part number | Upgrade part number |
|---|---|
| 4U7A-12A650-FFA | |
| 4U7A-12A650-FGA | |
| 4U7A-12A650-FJA | |
| 4U7A-12A650-FKA | |
| 4U7A-12A650-FYA | |
| 4U7A-12A650-FZA | |
| 4U7A-12A650-GAA | |
| 4W1A-12A650-AAB | 4U7A-12A650-FYA |
| 4W1A-12A650-ABB | 4U7A-12A650-FZA |
| 4W1A-12A650-ACB | 4U7A-12A650-GAA |
| 4W1A-12A650-CA | 4W1A-12A650-CB |
| 4W1A-12A650-CB | 4W1A-12A650-CC |
| 4W1A-12A650-CC | 4U7A-12A650-FGA |
| 4W1A-12A650-DA | 4W1A-12A650-DB |
| 4W1A-12A650-DB | 4W1A-12A650-DC |
| 4W1A-12A650-DC | 4U7A-12A650-FJA |
| 4W1A-12A650-EA | 4W1A-12A650-EB |
| 4W1A-12A650-EB | 4W1A-12A650-EC |
| 4W1A-12A650-EC | 4W1A-12A650-ED |
| 4W1A-12A650-ED | 4U7A-12A650-FKA |
| 4W1A-12A650-FA | 4W1A-12A650-FB |
| 4W1A-12A650-FB | 4W1A-12A650-FC |
| 4W1A-12A650-FC | 4U7A-12A650-FFA |
| 4W1A-12A650-RA |
OBDTester.com
2004 Ford Towncar firmware update database
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