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)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSSTOP AND START SYSTEM - DIAGNOSTIC CODES (1 OF 2)STOP AND START SYSTEMDTC P0606-29: BACKUP BOOST CONVERTER "A" CONTROL CPU SIGNAL INVALID [12/2024 - ]MONITOR STRATEGY
2025 Toyota 4Runner SR5, RWD
Monitor Strategy
2025 Toyota 4Runner SR5, RWDSECTION Monitor Strategy
| Related DTCs | P0606: Control module processer (starter / generator control module) performance |
| Required Sensors/Components (Main) | Engine stop and start ECU |
| Required Sensors/Components (Related) | - |
| Frequency of Operation | Continuous |
| Duration | 1 second |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |
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.