Ford Escape 2005 — technical service bulletin
Bulletin 17794 · NHTSA communication 10008559 · issued May 1, 2004
Technical service bulletin
communication type
Electrical System
component
2005
model years
1
vehicle entries
Official summary
Malfunction indicator lamp on with diagnostic trouble code p1639 (vehicle id block corrupted, not programmed). *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.