2026 Toyota Sienna Hybrid Flock Gauge Setup
2026 · 2.5L hybrid
Does this setup work with Flock?
Use the OBD-II adapter with the gauge's hybrid-vehicle setting. Verify that the display stays awake during engine-off electric operation and still sleeps after the vehicle is shut down.
Readings to plan around
- Coolant temperature
- RPM
- Intake-air temperature
- Available hybrid channels
These are monitoring priorities, not a promise that every value is available through OBD-II. Available ECU readings depend on the exact car and configuration. The gauge can combine diagnostic data and compatible independent sensors.
Notes for this Sienna Hybrid
- Zero engine RPM while the hybrid is READY does not necessarily mean the vehicle is off. Enable the hybrid-vehicle option for this use case.
- Test a full sequence: READY, engine running, engine stopped while READY, and complete shutdown.
- The generic hybrid battery PID is not a guarantee of traction-battery state of charge, cell temperatures or individual block voltages. Validate the exact Toyota enhanced queries for those values.
- Keep sensor installation on approved low-voltage paths; this guide does not require work on the high-voltage hybrid system.
Set up and verify
- Record the vehicle year, market, engine, transmission, ECU and any tune or conversion. Check the current Flock release instructions before configuring the gauge.
- Connect the Flock OBD-II adapter using the supplied harness and follow the user manual. Scan for the channels this ECU reports; begin with one basic reading.
- Verify each selected reading against a trusted diagnostic tool. For a custom PID, confirm the request, module header, session requirements, data-byte positions, formula, units and installed firmware support.
- Add compatible independent sensors for missing readings. Test a complete start, warm-up and shutdown cycle, then save the display layout and set warnings from the engine service data.
If a reading is missing
Confirm that a basic channel still works before changing a custom query. Collect the ECU identity, protocol, adapter and gauge firmware versions, and a diagnostic response for the missing channel. A factory sensor or a reading in another app is useful evidence, but the request and response still need to match the gauge. Use a dedicated wired sensor when a dependable measurement is needed and ECU access cannot be verified.
My car was not listed. Does that mean it is unsupported?
No. The guides describe setup paths and known limitations. For a car with diagnostic data, confirm its protocol and the specific readings you need. A dedicated sensor setup can be used independently of factory diagnostic support.
Which sensor fittings and warning values should I use?
Use the service information for the installed engine and the sensor manufacturer’s specifications. This guide does not assign unverified port threads, torque settings, wiring pinouts or universal alarm temperatures. Keep factory warning devices in service.
Sources and next steps
Vehicle documents establish model details; they do not certify Flock compatibility. Third-party diagnostic definitions require verification with the actual ECU and released gauge firmware.