Honda Civic 2012–2013 — technical service bulletin
Bulletin A13-044 · NHTSA communication 10086661 · issued Sep 12, 2013
Technical service bulletin
communication type
Electrical System
component
2012–2013
model years
2
vehicle entries
Official summary
Service bulletin -the mil comes on with dtc p0128 (cooling system malfunction) stored. The thermostat jiggle valve may intermittently stick open and cause the pcm to store dtc p0128.
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.