DTC B2278: Engine Switch Circuit 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: 1) a malfunction is detected between the power source control ECU and the engine switch; or 2) either of the switches inside the engine switch is malfunctioning.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2278 | Communication is abnormal between power source control ECU and engine switch, or engine switch is defective |
|