DTC B2274: ACC Monitor Malfunction: Description
WARNING: This page is about a different car, the 2011 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is stored when there is a problem in the ACC output circuit. The ACC circuit is the circuit that goes from inside the power management control ECU to the ACC relay.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2274 | The ACC relay actuation circuit inside the power management control ECU or other related circuit is malfunctioning. |
|