DTC B2278 Power Switch Circuit Malfunction: Description
This DTC is output when: 1) a malfunction is detected between the power source control ECU and the power switch; or 2) either of the switches inside the power switch is malfunctioning.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2278 | Communication is abnormal between power source control ECU and power switch or power switch is defective |
|