15338 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE BATTERY ENERGY CONTROL MODULE (BECM) ON CERTAIN 2015 MODEL YEAR CHEVROLET SPARK EV VEHICLES. IN THESE VEHICLES, A SOFTWARE ANOMALY CAN CAUSE A REDUCTION IN ELECTRIC POWER FROM 120KW TO 50KW, WHICH CAN LIMIT THE VEHICLEÂ’S DRIVING RANGE TO 6.5 MILES (10 KM) (HOWEVER ACTUAL RANGE MAY BE LESS), SET DTC P1EAB, AND CAUSE THE VEHICLE TO FAIL TO START AT THE NEXT KEY/POWER ON CYCLE.
