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May 1, 2010 Service bulletin

Kia: ECM upgrade for P0304 due to vcm motor variation

Kia technical service bulletin TSB-070 for 2010 Kia Forte.

Bulletin number
TSB-070
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Kia: ECM upgrade for p0304 due to vcm motor variation. Provides the procedure to upgrade the powertrain control module (PCM) of some model year vehicles. Reflash has enhanced vcm (variable charge motion) actuator logic to improve a rough idle condition at start up or a mil on and stored dtc p0304 set at start-up.

Owners of these vehicles have filed 23 complaints in the transmission category.

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