ENGINE
Owner Notification Letter - The current Power Control Unit (PCU) radiator guard may not provide adequate protection. Roadway debris can cause damage to the PCU radiator which may result in multiple warning lights, Malfunction Indicator Lights (MIL) illumination, and decreased hybrid system performance. The warning lights and decreased hybrid system performance are associated with the following Diagnostic Trouble Codes(DTCs), all related to overheating of the Power Control Unit (PCU): P1D9A, P1F3C, P0634, P0A3E,P0A3C, P0D32, P0CF1, P032F, and P0AE1.