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DTC 2-6: Network Access Device Communication Error: Description

This DTC is output when a communication error occurs between the CPU and each interface in the mayday ECU.

DTC DETECTION CONDITION CHART

DTC Code DTC Detection Condition Trouble Area
2-6 Telephone interface communication error in mayday ECU Mayday ECU
DTC CHART

Current DTC Historic DTC only
Disconnect and reconnect battery Wait 5 minutes with power switch ON (IG) Check DTCs If DTC is not set, place test phone call If DTC 2-6 is set, 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 Place a test call to verify functionality and then clear historic DTCs