Kia Optima 2012–2013 — technical service bulletin
Bulletin PS422 · NHTSA communication 10089620 · issued Jul 31, 2015
Technical service bulletin
communication type
Electrical System
component
2012–2013
model years
2
vehicle entries
Official summary
Pitstop: abs hecu replacement due to hesitation concerns - when addressing customer concerns regarding hesitation from the vehicle on hard acceleration, test drive the vehicle to verify the concern. Prior to test driving the vehicle, eliminate common electronic stability control (esc) trigger factors such as excessive or unevenly worn tires and slippery road conditions. If during hard acceleration testing the esc light illuminates on the dash and abnormal hesitation is experienced, replace the abs hydraulic electronic control unit (hecu) with a module containing the latest s/w version. Note: a
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.