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, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSSTOP AND START SYSTEM - DIAGNOSTIC CODES (1 OF 2)STOP AND START SYSTEMDTC U0114-87: LOST COMMUNICATION WITH FOUR-WHEEL DRIVE CLUTCH CONTROL MODULE MISSING MESSAGE [12/2024 - ]TYPICAL ENABLING CONDITIONS
2025 Toyota 4Runner SR5, 4WD
Typical Enabling Conditions
2025 Toyota 4Runner SR5, 4WDSECTION Typical Enabling Conditions
| Monitor runs whenever the following DTCs are not stored | None |
| Ignition switch | ON |
| Time after ignition switch is off to ON | 0.5 seconds or more |
| Battery voltage | 10 V or higher |
| Write Inhibit | permit |
| Time after Write status forbiddance to permit | 0.5 seconds or more |
| Starter | Off |
| Time after starter on to off | 0.5 seconds or more |
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.