Mazda 626 1998–2001 — technical service bulletin
Bulletin 0500502 · NHTSA communication 634465 · issued May 21, 2002
Technical service bulletin
communication type
Unknown OR Other
component
1998–2001
model years
4
vehicle entries
Official summary
Some vehicles may exhibit an od off light flashing with diagnostic trouble code p1783 stored in memory after driving at highway speeds for extended periods. *slc
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.