F 250 2WD Super Duty V8-5.4L (2008)
a.
If the vehicle was built within the date range, then continue with this procedure.
b.
If not, then do not proceed. Continue with normal diagnostics per WSM, Section 501-14.
2.
Is the vehicle Key Fob part number 8L3T-15K601-AA (3 button) or 8S4T-15K601-AA (4 button)? (Figure 2)
a.
Yes - Go to Step 3.
b.
No - Do not proceed. Continue with normal diagnostics per WSM, Section 501-14.
3.
Using a thin coin, open the Key Fob and inspect manufacturer's date code sticker. The first three digits = day of year. The last digit = year. (Figure
3)