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January 1, 2000 Service bulletin

All vehicles may exhibit an inoperative or inaccurate speedometer, 4X4 light inoperative and/or DTC P1635...

Ford technical service bulletin 13737 for 1999-2000 Ford F-150, 1999-2000 Ford Expedition and 1999-2000 Ford Mustang and others.

Bulletin number
13737
Component
Unknown or other
Summary
All vehicles may exhibit an inoperative or inaccurate speedometer, 4x4 light inoperative and/or dtc p1635 after a PCM has been replaced. Mjs

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