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 DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXDTC INDEX (2 OF 2)STOP AND START DTCSSTOP AND START SYSTEM
2025 Toyota 4Runner SR5, RWD
Stop And Start System
2025 Toyota 4Runner SR5, RWDSECTION Stop And Start System
STOP AND START SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| P0335-62 | Crankshaft Position Sensor "A" Signal Compare Failure |
| P0555-00 | Brake Booster Pressure Sensor(running) |
| P0555-11 | Brake Booster Pressure Sensor Circuit Short to Ground |
| P0555-15 | Brake Booster Pressure Sensor Circuit Short to Battery or Open |
| P0555-2A | Brake Booster Pressure Sensor Signal Stuck In Range |
| P0604-44 | Internal Control Module Random Access Memory (RAM) Error Data Memory Failure |
| P0606-29 | Backup Boost Converter "A" Control CPU Signal Invalid |
| P060B-1C | Analog to Digital Converter Circuit Voltage Out of Range |
| P060B-49 | Analog to Digital Converter Internal Electronic Failure |
| P060B-71 | Analog to Digital Converter Actuator Stuck |
| P0615-11 | Starter Relay Circuit Short to Ground |
| P0615-15 | Starter Relay Circuit Short to Battery or Open |
| P062F-44 | Internal Control Module EEPROM Data Memory Failure |
| P0850-12 | Park/Neutral Switch Circuit Short to Battery |
| P0850-14 | Park/Neutral Switch Circuit Short to Ground or Open |
| P1644-00 | ECU Malfunction (Starter Circuit) |
| P2530-14 | Ignition Switch Circuit Short to Ground or Open |
| P2796-12 | Electromagnetic Oil Pump Circuit Short to Battery |
| P2796-14 | Electromagnetic Oil Pump Circuit Open |
| P2797-96 | Electromagnetic Oil Pump Component Internal Failure |
| P323A-00 | Backup Boost Converter "A" |
| P323A-16 | Backup Boost Converter "A" Circuit Voltage Below Threshold |
| P323B-14 | Backup Boost Converter "A" Control Circuit Circuit Short to Ground or Open |
| P323B-29 | Backup Boost Converter "A" Control Circuit Signal Invalid |
| P323B-38 | Backup Boost Converter "A" Control Circuit Signal Cycle Invalid |
| P33B3-00 | External BBC Circuit |
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message |
| U0101-87 | Lost Communication with TCM Missing Message |
| U0114-87 | Lost Communication with Four-Wheel Drive Clutch Control Module Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message |
| U0140-87 | Lost Communication with Body Control Module Missing Message |
| U0151-87 | Lost Communication with Restraints Control Module Missing Message |
| U0155-87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message |
| U0164-87 | Lost Communication with HVAC Control Module Missing Message |
| U115C-87 | Lost Communication with ECM/PCM "A" (ch5) Missing Message |
| U1170-87 | Lost Communication with Brake System Control Module (ch2) Missing Message |
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.