DTC B2274 ACC Monitor Malfunction: Description
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when a malfunction occurs in the ACCD output circuit, which is between the D-ACC relay actuation circuit inside the main body ECU and the D-ACC relay.
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC Code | Detection Condition | Trouble Area |
|---|---|---|
| B2274 | D-ACC relay actuation circuit inside main body ECU or other related circuit is malfunctioning |
|