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 MANUALSTOYOTA2025SEQUOIA CAPSTONEREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM - DIAGNOSTIC CODES (06 OF 12)
2025 Toyota Sequoia Capstone
Engine Control System - Diagnostic Codes (06 Of 12)
2025 Toyota Sequoia CapstoneSECTION Engine Control System - Diagnostic Codes (06 Of 12)
- SFI System
- DTC P0365-11: Camshaft Position Sensor "B" Bank 1 Circuit Short to Ground; DTC P0365-15: Camshaft Position Sensor "B" Bank 1 Circuit Short to Battery or Open; DTC P0390-11: Camshaft Position Sensor "B" Bank 2 Circuit Short to Ground; DTC P0390-15: Camshaft Position Sensor "B" Bank 2 Circuit Short to Battery or Open [09/2022 - ]
- DTC P0365-31: Camshaft Position Sensor "B" Bank 1 No Signal; DTC P0390-31: Camshaft Position Sensor "B" Bank 2 No Signal [09/2022 - ]
- DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1; DTC P0430-00: Catalyst System Efficiency Below Threshold Bank 2 [09/2022 - ]
- DTC P043E-00: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F-00: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2400-7E: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck On; DTC P2400-7F: Evaporative Emission System Leak Detection Pump Control Circuit Actuator Stuck Off; DTC P2418-7E: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck On [09/2022 - ]
- DTC P0441-9C: Evaporative Emission System Incorrect Purge Flow Low/Insufficient Flow [09/2022 - ]
- DTC P0443-13: Evaporative Emission System Purge Control Valve "A" Circuit Open [09/2022 - ]
- DTC P0450-11: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Ground; DTC P0450-15: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Battery or Open; DTC P0450-2F: Evaporative Emission System Pressure Sensor/Switch Signal Erratic [09/2022 - ]
- DTC P0480-12: Fan 1 Control Circuit High Circuit Short to Battery [09/2022 - ]
- DTC P0480-14: Fan 1 Control Circuit Low Circuit Short to Ground or Open [09/2022 - ]
- DTC P0480-7E: Fan 1 Stuck On Actuator Stuck On [09/2022 - ]
- DTC P0480-7F: Fan 1 Performance/Stuck Off Actuator Stuck Off [09/2022 - ]
- DTC P04F0-9C: Evaporative Emission System High Load Purge Line "A" Performance Low/Insufficient Flow [09/2022 - ]
- DTC P0500-31: Vehicle Speed Sensor "A" No Signal [09/2022 - ]
- DTC P0504-2B: Brake Switch "A"/"B" Signal Cross Coupled [09/2022 - ]
- DTC P0505-00: Idle Control System [09/2022 - ]
- DTC P050A-00: Cold Start Idle Control System Performance [09/2022 - ]
RENDER: 1.0x
NO RELATED
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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.