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.
2007 Toyota Prius BaseFACTORY OEM SERVICE PROCEDURE
Multiplex Communication DTCS
MULTIPLEX COMMUNICATION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1200 | MPX Body ECU Stop |
| B1207 | Smart ECU Stop |
| B1210 | Power ECU Stop |
| B1214 | Short to B+ in Door System Communication Bus Malfunction |
| B1215 | Short to GND in Door System Communication Bus Malfunction |
| B1247 | Tire Pressure Monitor Receiver Communication Stop |
| B1248 | AVC-LAN Communication Impossible |
| B1260 | "P" Position Control ECU Stop |
| B1262 | A/C ECU Communication Stop |
| B1271 | Combination Meter ECU Communication Stop |
| B1294 | Immobilizer ECU Communication Stop |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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