CUSTOMER CONCERN Check Hybrid System warning is on with P0A80, P3000, C1259, and C1310. CAUSE Confirmed failed high-voltage hybrid battery pack. CORRECTION Remove and replace the high-voltage hybrid battery pack, clear DTCs, and verify battery block voltages and hybrid-system operation.

CUSTOMER CONCERN Check-engine and master-warning lights are on, and P0A80 returns every few days. CAUSE Confirmed deteriorated high-voltage hybrid battery pack. CORRECTION Remove and replace the high-voltage hybrid battery pack, clear DTC P0A80, and verify hybrid-system operation.

CUSTOMER CONCERN The check-engine and hybrid-system warning lights are on with DTC P0A80 stored. CAUSE Hybrid-battery testing confirmed deterioration inside the high-voltage battery pack. CORRECTION Remove and replace the failed high-voltage hybrid battery pack.