DTC 2-3 Digital Signal Processor Communication Error; DTC 2-4 GPS Communication Error: Description
These DTCs are output when a communication error occurs between the CPU and each interface in the Mayday ECU.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| 2-3 | DSP interface communication error in Mayday ECU | Mayday ECU |
| 2-4 | GPS interface communication error in Mayday ECU | Mayday ECU |
NOTICE:
DTC CHART
| Current DTC | Historic DTC only |
|---|---|
| Disconnect and reconnect battery. Check for current DTCs. If DTC returns, replace Mayday ECU and Mayday battery (backup battery). | If this is only a historic DTC, the system has already recovered normally and should be operating normally. Clear historic DTCs. |