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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2020RAV4 XLE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 181 (SMART KEY SYSTEM (FOR START, HV) - DIAGNOSTIC CODES (1 OF 2))
2020 Toyota RAV4 XLE, AWD
Section 181 (Smart Key System (For Start, HV) - Diagnostic Codes (1 Of 2))
2020 Toyota RAV4 XLE, AWDSECTION Section 181 (Smart Key System (For Start, HV) - Diagnostic Codes (1 Of 2))
WARNING: This page is about a different variant/trim than selected.
- SMART KEY SYSTEM (for Start Function, HV Model)
- DTC B2271: Ignition Hold Monitor Malfunction [11/2018 - ]
- DTC B2274: ACC Monitor Malfunction [11/2018 - ]
- DTC B2275: STSW Monitor Malfunction [11/2018 - ]
- DTC B2277: Detecting Vehicle Submersion [11/2018 - ]
- DTC B2278: Engine/Power Switch Malfunction [11/2018 - ]
- DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [11/2018 - 08/2020]
- DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [08/2020 - 12/2021]
- DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [12/2021 - 10/2022]
- DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [10/2022 - ]
- DTC B2284: Brake Signal Malfunction [11/2018 - 12/2021]
- DTC B2284: Brake Signal Malfunction [12/2021 - ]
- DTC B2285: Steering Lock Position Signal Circuit Malfunction [11/2018 - 10/2019]
- DTC B2285: Steering Lock Position Signal Circuit Malfunction [10/2019 - 12/2021]
- DTC B2285: Steering Lock Position Signal Circuit Malfunction [12/2021 - ]
- DTC B228B: System Voltage or GND Energization Malfunction [11/2018 - ]
- DTC B2779: Engine Starter Communication Malfunction [11/2018 - ]
- DTC B2781: Open / Short in Steering Lock ECU [11/2018 - 12/2021]
- DTC B2781: Open / Short in Steering Lock ECU [12/2021 - ]
- DTC B2782: Power Source Control ECU Malfunction [11/2018 - 12/2021]
- DTC B2782: Power Source Control ECU Malfunction [12/2021 - ]
- DTC B2784: Antenna Coil Open / Short [11/2018 - ]
- DTC B2788: IG2 Signal Malfunction [11/2018 - 12/2021]
- DTC B2788: IG2 Signal Malfunction [12/2021 - ]
- DTC B278A: Short to GND in Immobiliser System Power Source Circuit [11/2018 - ]
- DTC B2790: ID BOX EEPROM Malfunction [11/2018 - ]
- DTC B2799-86: Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid [11/2018 - ]
- DTC B279A-12: Engine Immobiliser System Circuit Short to Battery [11/2018 - ]
- DTC B279C-95: Engine Immobiliser System Incorrect Assembly [11/2018 - ]
- DTC B27A5: Open in Front Floor Electrical Key Oscillator Circuit [11/2018 - ]
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.