TSB-070 REV 1

KIA: PCM UPGRADE FOR P0304 DUE TO VCM MOTOR VARIATION. PROCEDURE TO UPGRADE THE POWERTRAIN CONTROL MODULE (PCM) OF SOME VEHICLES. THIS 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. *PE