DTC 4-7 EMERGENCY, VOL+ or VOL- Button has Connection Error: Description
This DTC is output when one of the following occurs: 1) the mayday ECU assembly is malfunctioning; 2) the mayday switch assembly is malfunctioning; or 3) the wire harness between the mayday ECU assembly and the map light plate assembly is open or short.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| 4-7 | Communication or communication line is abnormal between mayday ECU and map light plate (mayday switch) |
|