Mazda B-Series Truck 2001–2004 — technical service bulletin
Bulletin 0004123 · NHTSA communication 10005698 · issued Jan 21, 2004
Technical service bulletin
communication type
Power Train
component
2001–2004
model years
7
vehicle entries
Official summary
B28 and later pcm calibration update information. Repair information review1. *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.