DTC B1855: Short in Rear Side Squib LH Circuit; DTC B1856: Open in Rear Side Squib LH Circuit; DTC B1857: Short to GND in Rear Side Squib LH Circuit; DTC B1858: Short to B+ in Rear Side Squib LH Circuit [06/2018 - ]: Description
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
The rear side squib LH circuit consists of the airbag ECU assembly and rear seat airbag assembly LH.
The airbag ECU assembly uses this circuit to deploy the airbag when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the rear side squib LH circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
| B1855 | Short in Rear Side Squib LH Circuit |
|
|
Comes on | Applies to check mode |
| B1856 | Open in Rear Side Squib LH Circuit |
|
|
Comes on | Applies to check mode |
| B1857 | Short to GND in Rear Side Squib LH Circuit |
|
|
Comes on | Applies to check mode |
| B1858 | Short to B+ in Rear Side Squib LH Circuit |
|
|
Comes on | Applies to check mode |