Problem Symptoms TableToyota CH-R Service Manual > Automatic Headlight Beam Level Control System: Height Control Sensor Data Out of Range When Initializing (B2452)
DESCRIPTION
The headlight ECU sub-assembly LH stores this DTC if the sensor value received
from the rear height control sensor sub-assembly LH is out of range when performing
initialization of the headlight ECU sub-assembly LH; for example, the vehicle is
not level or being jack up.
...
Toyota CH-R Service Manual > Lin Communication System: Lost Communication with Power Source Control (B278C)
DESCRIPTION
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.
Detection Item
DTC Detection Condition
Trouble Area
B27 ...