Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2020RAV4 XLE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 140 (HYBRID CONTROL SYSTEM (LITHIUM-ION BATTERY) - DIAGNOSTIC CODES (3 OF 6))
2020 Toyota RAV4 XLE, AWD
Section 140 (Hybrid Control System (Lithium-Ion Battery) - Diagnostic Codes (3 Of 6))
2020 Toyota RAV4 XLE, AWDSECTION Section 140 (Hybrid Control System (Lithium-Ion Battery) - Diagnostic Codes (3 Of 6))
WARNING: This page is about a different variant/trim than selected.
- HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY)
- DTC P0AA6-49: Hybrid/EV Battery Voltage System Isolation Internal Electronic Failure; DTC P1C7C-49: Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure; DTC P1C7D-49: Hybrid/EV Battery Voltage System Isolation (Hybrid/EV Battery Area) Internal Electronic Failure; DTC P1C7E-49: Hybrid/EV Battery Voltage System Isolation (Transaxle Area) Internal Electronic Failure; DTC P1C7F-49: Hybrid/EV Battery Voltage System Isolation (Direct Current Area) Internal Electronic Failure; DTC P1C80-49: Hybrid/EV Battery Voltage System Isolation (Rear Motor Area) Internal Electronic Failure [11/2024 - ]
- DTC P0AA7-49: Hybrid/EV Battery Voltage Isolation Sensor Circuit Internal Electronic Failure [06/2020 - ]
- DTC P0ABF-00: Hybrid/EV Battery Current Sensor "A" Circuit Range/Performance [06/2020 - ]
- DTC P0AD9-11: Hybrid/EV Battery Positive Contactor Circuit Short to Ground [06/2020 - ]
- DTC P0AD9-15: Hybrid/EV Battery Positive Contactor Circuit Short to Auxiliary Battery or Open [06/2020 - ]
- DTC P0ADD-11: Hybrid/EV Battery Negative Contactor Circuit Short to Ground [06/2020 - ]
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.