DTC B278C: Lost Communication with Power Source Control: Description
WARNING: This page is about a different car, the 2012 Lexus CT 200h. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B278C | No communication between the certification ECU (smart key ECU assembly) and power management control ECU for 10 seconds or more. |
|