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)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEBLIND SPOT MONITOR SYSTEM - DIAGNOSTIC CODES & CIRCUIT TESTSBLIND SPOT MONITOR SYSTEMDTC U0322-51: SOFTWARE INCOMPATIBILITY WITH BODY CONTROL MODULE NOT PROGRAMMED; DTC U0322-57: SOFTWARE INCOMPATIBILITY WITH BODY CONTROL MODULE INVALID/INCOMPATIBLE SOFTWARE COMPONENT [12/2024 - ]DESCRIPTION
2025 Toyota 4Runner SR5, 4WD
DTC U0322-51: Software Incompatibility with Body Control Module Not Programmed; DTC U0322-57: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component [12/2024 - ]: Description
2025 Toyota 4Runner SR5, 4WDSECTION Description
This DTC is stored when the destination information of the main body ECU (multiplex network body ECU) does not match that of the blind spot monitor sensors.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| U0322-51 | Software Incompatibility with Body Control Module Not Programmed | Destination information of the main body ECU and blind spot monitor sensor do not match |
|
Blind Spot Monitor "B" | A |
| U0322-57 | Software Incompatibility with Body Control Module Invalid/Incompatible Software Component | Destination information of the main body ECU and blind spot monitor sensor do not match |
|
Blind Spot Monitor "B" | A |
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| U0322-51 | Software Incompatibility with Body Control Module Not Programmed | Destination information of the main body ECU and blind spot monitor sensor do not match |
|
Blind Spot Monitor "A" | A |
| U0322-57 | Software Incompatibility with Body Control Module Invalid/Incompatible Software Component | Destination information of the main body ECU and blind spot monitor sensor do not match |
|
Blind Spot Monitor "A" | A |
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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.