Mazda MAZDA3 2012–2013 — technical service bulletin
Bulletin 01-004-14-2893 · NHTSA communication 10098021 · issued Feb 14, 2014
Technical service bulletin
communication type
Power Train
component
2012–2013
model years
2
vehicle entries
Official summary
Some vehicles may experience the mil on with dtc p013a:00 (ho2s circuit slow response). This is caused by improper control logic of the pcm. To correct the problem, the control logic of the pcm has been changed.
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.