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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.

DIAGNOSTIC TROUBLE CODE

DTC Code 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: 

NOTICE DIAGNOSTIC TROUBLE CODE

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.
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