Toyota CH-R Service Manual > Smart Key System(for Start Function): System Voltage or GND Energization Malfunction (B228B)
DESCRIPTION
This DTC is stored when there is a malfunction in the certification ECU (smart
key ECU assembly) battery power supply circuit or ground circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2 ...
Toyota CH-R Service Manual > Safety Connect System: Backup Battery Failure (B15CC)
DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects one of the following:
The BUB (Back-Up Battery) voltage drops or the BUB (Back-Up Battery)
malfunctions.
The BUB (Back-Up Battery) temperature is (temporarily) high.
DTC No.
Detect ...