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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA20254RUNNER SR5, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSSTOP AND START SYSTEM - DIAGNOSTIC CODES (1 OF 2)STOP AND START SYSTEMDTC U0151-87: LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE MISSING MESSAGE [12/2024 - ]DESCRIPTION
2025 Toyota 4Runner SR5, 4WD
DTC U0151-87: Lost Communication with Restraints Control Module Missing Message [12/2024 - ]: Description
2025 Toyota 4Runner SR5, 4WDSECTION Description
If there is a communication error between the engine stop and start ECU and airbag system, the engine stop and start ECU stores DTCs.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| U0151-87 | Lost Communication with Restraints Control Module Missing Message | No communication between the engine stop and start ECU and airbag ECU assembly for 10.6 seconds. |
|
Does not come on | Does not come on | Stop and Start | B | SAE Code: U0151 |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.