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 MANUALSTOYOTA2025HIGHLANDER LIMITED, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM (T24A-FTS) - DIAGNOSTIC CODES (09 OF 11)
2025 Toyota Highlander Limited, FWD
Engine Control System (T24A-FTS) - Diagnostic Codes (09 Of 11)
2025 Toyota Highlander Limited, FWDSECTION Engine Control System (T24A-FTS) - Diagnostic Codes (09 Of 11)
- SFI System
- DTC P1542-00: Stop and Start Cranking Time Too Long [10/2022 - 11/2023]
- DTC P1542-00: Stop and Start Cranking Time Too Long [11/2023 - ]
- DTC P1607-00: Cruise Control Input Processor [10/2022 - 11/2023]
- DTC P1607-00: Cruise Control Input Processor [11/2023 - ]
- DTC P1610-09: Control Module Processor (Brake Override System Input Signal) Component Failure [10/2022 - ]
- DTC P16B0-9F: Actuator Cut Circuit Stuck Off [10/2022 - 11/2023]
- DTC P16B0-9F: Actuator Cut Circuit Stuck Off [11/2023 - ]
- DTC P16B3-19: Multi Flow Control Valve Motor Circuit Current Above Threshold [10/2022 - ]
- DTC P16B4-79: Multi Flow Control Valve Stopper Mechanical Linkage Failure [10/2022 - ]
- DTC P16B5-11: Multi Flow Control Valve Sensor Circuit Short to Ground [10/2022 - ]
- DTC P16B5-15: Multi Flow Control Valve Sensor Circuit Short to Battery or Open [10/2022 - ]
- DTC P16B8-71: Multi Flow Control Valve Actuator Stuck [10/2022 - ]
- DTC P2100-18: Throttle Actuator "A" Control Motor Circuit Current Below Threshold; DTC P2100-19: Throttle Actuator "A" Control Motor Circuit Current Above Threshold [10/2022 - ]
- DTC P2109-00: Throttle/Pedal Position Sensor "A" Minimum Stop Performance [10/2022 - ]
- DTC P2111-72: Throttle Actuator "A" Control System Actuator Stuck Open; DTC P2111-73: Throttle Actuator "A" Control System Actuator Stuck Closed [10/2022 - ]
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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.