Honda Civic 2012 — technical service bulletin
Bulletin A17-023 · NHTSA communication 10108385 · issued Apr 21, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012
model years
1
vehicle entries
Official summary
Service bulletin - due to an improper pcm calibration, under certain conditions after starting the engine the pcm cannot properly adjust the air-fuel ratio. As a result, vehicle emissions may exceed applicable standards.
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.