DTC 6-4 Backup Battery Connection Error: Description
After the ignition switch is turned ON and 10 seconds or more have passed, if the mayday ECU assembly does not recognize the mayday battery (backup battery), this DTC is output.
HINT:
This DTC is only a historic DTC.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| 6-4 | Communication or communication line is abnormal between mayday ECU and mayday battery |
|