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August 3, 2015 Service bulletin

TCM upgrade – shift logic improvement

Kia technical service bulletin TSBTRA056 for 2014-2015 Kia Cadenza.

Bulletin number
TSBTRA056
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Tsb: TCM upgrade – shift logic improvement - this bulletin provides information related to a TCM (transmission control module) software upgrade for some 2014~2015my cadenza (vg) vehicles, produced from february 11, 2013 through july 11, 2014 and from july 14, 2014 through december 12, 2014, to improve a transmission shift concern that may be described as “hunting” and/or busy shift. To resolve the concern, reprogram the TCM/PCM using the gds/kds download as described in this bulletin. For confirmation that the latest reflash has been performed, verify rom id using the tables in this tsb.

Owners of these vehicles have filed 7 complaints in the transmission category.

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