Mazda B-Series Truck 2001–2002 — technical service bulletin
Bulletin 0102903 · NHTSA communication 10005670 · issued Dec 23, 2003
Technical service bulletin
communication type
Electrical System
component
2001–2002
model years
4
vehicle entries
Official summary
Malfunction indicator lamp (mil) on with or without rough running, lack of power, surge or poor fuel economy, along with diagnostic trouble codes (dtcs) p0401, p0402, p1400 or p1401. *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.