Kia Optima Hybrid 2011–2013 — technical service bulletin
Bulletin PS263 · NHTSA communication 10090806 · issued Mar 6, 2013
Technical service bulletin
communication type
Equipment
component
2011–2013
model years
3
vehicle entries
Official summary
Pitstop: intermittent operation from a/c or heater dtc - p1237 - when diagnosing a concern relating to intermittent performance from the air conditioner or the heater, check for the presence of dtc p1237 (active air flap feedback voltage high) in the active air flap (aaf) system.
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.