Mazda B-Series Truck 2001–2002 — technical service bulletin
Bulletin 0407 · NHTSA communication 10008021 · issued Jun 7, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2002
model years
4
vehicle entries
Official summary
Dpfe sensor application revision. Parts flash. *tt dpfe sensor warranty extension program - special service program (ssp) 59. *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.