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Special Service Message 53862 - 2025 Expedition/Navigator - DTC B15D9:78 And/Or B159C:78 Stored In The Side Obstacle Detection Module Left (SODL) Or Side Obstacle Detection Module Right (SODR)
Some 2025 Expedition/Navigator vehicles may experience a "Cross Traffic Alert/Side Obstacle Detection Fault" message in the instrument panel cluster (IPC) with diagnostic trouble code (DTC) B15D9:78 stored in the SODL and/or DTC B159C:78 stored in the SODR. Before proceeding with normal Workshop Manual (WSM) diagnostics in Section 419-04, raise the vehicle and carefully inspect both the SODL and SODR modules for proper attachment on the mounting sheet metal, ensure all clips are fully seated (module properly attached) and repair as necessary.
From the 2025 Expedition Workshop Manual...
Side Obstacle Detection Module Mounting Bracket
Side Obstacle Detection Module Mounting Clips
Some 2025 Expedition/Navigator vehicles may experience a "Cross Traffic Alert/Side Obstacle Detection Fault" message in the instrument panel cluster (IPC) with diagnostic trouble code (DTC) B15D9:78 stored in the SODL and/or DTC B159C:78 stored in the SODR. Before proceeding with normal Workshop Manual (WSM) diagnostics in Section 419-04, raise the vehicle and carefully inspect both the SODL and SODR modules for proper attachment on the mounting sheet metal, ensure all clips are fully seated (module properly attached) and repair as necessary.
From the 2025 Expedition Workshop Manual...
| Item | Description |
|---|---|
| 1 | Side Obstacle Detection Control Module C (SODCMC) |
| 2 | Side Obstacle Detection Control Module D (SODCMD) |
| 3 | RH exterior mirror |
| 4 | Passenger Door Module (PDM) |
| 5 | Side Obstacle Detection Module Right (SODR) |
| 6 | Side Obstacle Detection Module Left (SODL) |
| 7 | Driver Door Module (DDM) |
| 8 | Image Processing Module A (IPMA) |
| 9 | LH exterior mirror |
Side Obstacle Detection Module Mounting Bracket
Side Obstacle Detection Module Mounting Clips
