2014 Ford Fusion Titanium Hybrid – No Start After Transmission Fluid Loss With P0A78
- Aug 16
- 1 min read
CUSTOMER CONCERN
Vehicle will not start after collision damage caused the hybrid transmission to lose fluid; DTCs P0A78, P0613, and P0A2A are stored.
CAUSE
Running low on Mercon LV overheated and damaged the transmission's internal hybrid drive motor; the system attempted Ready mode and immediately reset the same transmission-related DTCs.
CORRECTION
Remove and replace the automatic hybrid transmission assembly, fill with Mercon LV, clear DTCs P0A78, P0613, and P0A2A, and verify Ready mode and vehicle operation.
