Some vehicles may exhibit an inoperative speedometer and DTC P1635 after a PCM has been replaced
Ford technical service bulletin 12086 for 1999 Ford F-150, 1999 Ford Expedition and 1999 Ford Mustang and others.
- Bulletin number
- 12086
- Component
- Power train
- Summary
- Some vehicles may exhibit an inoperative speedometer and dtc p1635 after a PCM has been replaced. Mjs
Owners of these vehicles have filed 236 complaints in the transmission category.
Vehicles covered
- Ford F-150 1999 1999
- Ford Expedition 1999 1999
- Ford Mustang 1999 1999
- Ford F-250 1999 1999
- Lincoln Navigator 1999 1999
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