Car brought to dealership on 12/2 due to check engine light. scan showed cylinder 4 misfire. Car in shop for 1 week to fix cylinder head replacement. stated ‘operating as designed’. Car returned to shop due to car turning off in the highway. All light were on. now showing hybrid system fault. Dealership had to open kia tech ticket [XXX]. CONFIRMED LIGHTS ON DASH, HYBRID SYSTEM FAULT. DTC SCAN FOUND MCU,BMS DTC’S. REMOVED CONNECTIONS FROM THE HPCU TO INSPECT WIRING AND FOUND CENTER PIN IS MELTED AND THERE IS THERMAL DAMAGE TO WIRING. P0A3E DTC, OPEN TA#[XXX] TA HPCU REPLACEMENT IS NEEDED. CABLE REPLACEMENT IS NEEDED. 1/6 – now advised another part is needed. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)