DTC 4-1: Red LED Error: Description
This DTC is output when one of the following occurs: 1) the mayday ECU assembly is malfunctioning; 2) the red LED is malfunctioning; or 3) the wire harness between the mayday ECU assembly and the roof console box assembly (mayday switch assembly) is open or short.
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| 4-1 | Communication or communication line is abnormal between mayday ECU and roof console box (mayday switch) |
|