DTC 6-4 Backup Battery Connection Error: Description
After the engine switch is turned on (IG) and 10 seconds or more have passed, if the mayday ECU does not recognize the mayday battery (backup battery), this DTC is output.
HINT:
This DTC is only a historic DTC.
DIAGNOSTIC TROUBLE CODE
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| 6-4 | Communication or communication line is abnormal between mayday ECU and mayday battery |
|