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 MANUALSTOYOTA20254RUNNER SR5, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSSTOP AND START SYSTEM - DIAGNOSTIC CODES (1 OF 2)
2025 Toyota 4Runner SR5, RWD
Stop And Start System - Diagnostic Codes (1 Of 2)
2025 Toyota 4Runner SR5, RWDSECTION Stop And Start System - Diagnostic Codes (1 Of 2)
- Stop And Start System
- VEHICLE CONTROL HISTORY (RoB) [12/2024 - ]
- DTC P0335-62: Crankshaft Position Sensor "A" Signal Compare Failure [12/2024 - ]
- DTC P0555-00: Brake Booster Pressure Sensor(running); DTC P0555-2A: Brake Booster Pressure Sensor Signal Stuck In Range [12/2024 - ]
- DTC P0555-11: Brake Booster Pressure Sensor Circuit Short to Ground; DTC P0555-15: Brake Booster Pressure Sensor Circuit Short to Battery or Open [12/2024 - ]
- DTC P0604-44: Internal Control Module Random Access Memory (RAM) Error Data Memory Failure [12/2024 - ]
- DTC P0606-29: Backup Boost Converter "A" Control CPU Signal Invalid [12/2024 - ]
- DTC P060B-1C: Analog to Digital Converter Circuit Voltage Out of Range; DTC P060B-49: Analog to Digital Converter Internal Electronic Failure; DTC P060B-71: Analog to Digital Converter Actuator Stuck [12/2024 - ]
- DTC P0615-11: Starter Relay Circuit Short to Ground [12/2024 - ]
- DTC P0615-15: Starter Relay Circuit Short to Battery or Open [12/2024 - ]
- DTC P062F-44: Internal Control Module EEPROM Data Memory Failure [12/2024 - ]
- DTC P0850-12: Park/Neutral Switch Circuit Short to Battery; DTC P0850-14: Park/Neutral Switch Circuit Short to Ground or Open [12/2024 - ]
- DTC P1644-00: ECU Malfunction (Starter Circuit) [12/2024 - ]
- DTC P2530-14: Ignition Switch Circuit Short to Ground or Open [12/2024 - ]
- DTC P2796-12: Electromagnetic Oil Pump Circuit Short to Battery [12/2024 - ]
- DTC P2796-14: Electromagnetic Oil Pump Circuit Open [12/2024 - ]
- DTC P2797-96: Electromagnetic Oil Pump Component Internal Failure [12/2024 - ]
- DTC P323A-00: Backup Boost Converter "A"; DTC P323A-16: Backup Boost Converter "A" Circuit Voltage Below Threshold; DTC P323B-14: Backup Boost Converter "A" Control Circuit Circuit Short to Ground or Open; DTC P323B-29: Backup Boost Converter "A" Control Circuit Signal Invalid; DTC P323B-38: Backup Boost Converter "A" Control Circuit Signal Cycle Invalid [12/2024 - ]
- DTC P33B3-00: External BBC Circuit [12/2024 - ]
- DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message [12/2024 - ]
- DTC U0101-87: Lost Communication with TCM Missing Message [12/2024 - ]
- DTC U0114-87: Lost Communication with Four-Wheel Drive Clutch Control Module Missing Message [12/2024 - ]
- DTC U0129-87: Lost Communication with Brake System Control Module Missing Message [12/2024 - ]
- DTC U0140-87: Lost Communication with Body Control Module Missing Message [12/2024 - ]
- DTC U0151-87: Lost Communication with Restraints Control Module Missing Message [12/2024 - ]
- DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message [12/2024 - ]
- DTC U0164-87: Lost Communication with HVAC Control Module Missing Message [12/2024 - ]
RENDER: 1.0x
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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.