DTC P1990, P1B76, P1B77 & P0A0D Description: If you are servicing a Sonata Hybrid with the symptoms and DTC listed below, follow the Service Procedure on Page 2. Applicable Vehicles: 2016 ~ Sonata Hybrid (LF HEV) 2016 ~ Sonata Plug-in Hybrid (LF PHEV) Symptoms: Check Engine light on “Check Hybrid System” warning message on cluster. left rear door open volvo. low battery voltage volvo. max engine speed reduce speed volvo. no immobilizer service required volvo. no oil pressure check oil level volvo. no oil pressure stop engine volvo. no oil pressure stop safely asap volvo. passenger. "/>P0a0d hyundai