DTC B2271: Ignition Hold Monitor Malfunction: Description
WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when the IG output circuits inside the power source control ECU are open or short.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2271 | Hold circuit, IG1 relay actuation circuit or IG2 relay actuation circuit inside power source control ECU is malfunctioning |
|