DTC B1647: Side Satellite Sensor Bus Lost Communication (LH); DTC B1648: Side Satellite Sensor Bus Initialization Error (LH) [11/2018 - 08/2020]: Description
WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The side collision sensor LH circuit consists of the airbag ECU assembly, side airbag pressure sensor LH and No. 2 side airbag sensor assembly LH.
The No. 2 side airbag sensor assembly LH and side airbag pressure sensor LH detect impacts to the vehicle and send signals to the airbag ECU assembly to determine if the SRS should be deployed.
These DTCs are stored when a malfunction is detected in the circuit for the side collision sensor LH circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
| B1647 | Side Satellite Sensor Bus Lost Communication (LH) | One of the following conditions is met:
|
|
Comes on | Not applicable |
| B1648 | Side Satellite Sensor Bus Initialization Error (LH) | One of the following conditions is met:
|
|
Comes on | Not applicable |