DTC B2275 STSW Monitor Malfunction: Description
WARNING: This page is about a different car, the 2006 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when the ST output circuits (engine starting request signal circuit) inside the power source control ECU are open or short.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2275 | ST output circuit (engine starting request signal circuit) inside power source control ECU or other related circuit is malfunctioning |
|