DTC B1570: Manual (SOS) Switch Red Indicator Malfunction [06/2018 - 10/2019]: 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.
This DTC is stored when the DCM (Telematics Transceiver) detects an open or short in the manual (SOS) switch red indicator circuit of the manual (SOS) switch.
The manual (SOS) switch red indicator illuminates for 2 seconds and goes off when the engine switch is turned on (IG). If a malfunction in the safety connect system is detected, the manual (SOS) switch red indicator will illuminate.
However, the manual (SOS) switch red indicator may not illuminate when this DTC is set.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B1570 | Manual (SOS) Switch Red Indicator Malfunction | Current for manual (SOS) switch red indicator reaches malfunction criteria for 10 seconds when engine switch is on (IG). |
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