Diagnostic trouble code (DTC) P0929:71 in the gear shift module (GSM) when a diagnostic self-test is performed
Ford technical service bulletin SSM 53578 for 2025 Ford Expedition and 2025 Lincoln Navigator.
- Bulletin number
- SSM 53578
- Component
- Unknown or other
- Summary
- Some 2025 Expedition/Navigator vehicles may exhibit diagnostic trouble code (DTC) P0929:71 in the gear shift module (GSM) when a diagnostic self-test is performed. This may be due to the software within the GSM.
Vehicles covered
- Ford Expedition 2025 2025
- Lincoln Navigator 2025 2025
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