Diagnostic Trouble Code Chart
Mayday ECU
MAYDAY ECU DIAGNOSTIC TROUBLE CODE CHART
| DTC Code | Detection Item | Trouble Area | Indicator (red LED) Illuminates When DTC is Present |
|---|---|---|---|
| 1-1 | Services Disabled |
|
No |
| 1-2 | Option Configuration Error |
|
Yes |
| 2-1 | EEPROM Communication Error |
|
Yes |
| 2-2 | EEPROM Checksum Error |
|
Yes |
| 2-3 | Digital Signal Processor Communication Error |
|
Yes |
| 2-4 | GPS Communication Error |
|
Yes |
| 2-6 | Network Access Device Communication Error |
|
Yes |
| 3-1 | GPS Antenna Error |
|
Yes |
| 3-2 | Cellular Phone Antenna Error |
|
Yes |
| 3-3 | GPS Signal not Received |
|
Yes |
| 4-1 | Red LED Error |
|
Not applicable |
| 4-2 | Green LED Error |
|
Yes |
| 4-3 | Overhead Module Microphone Error |
|
Yes |
| 4-4 | SERVICES, PHONE or PTT Button Stuck |
|
Yes |
| 4-5 | EMERGENCY, VOL+ or VOL- Button Stuck |
|
Yes |
| 4-6 | SERVICES, PHONE or PTT Button has Connection Error |
|
Yes |
| 4-7 | EMERGENCY, VOL+ or VOL- Button has Connection Error |
|
Yes |
| 5-1 | BEAN Communication Error |
|
Yes |
| 5-2 | Airbag Signal Communication Error |
|
Yes |
| 6-1 | Backup Battery Depleted |
|
Yes |
| 6-2 | Low Vehicle Battery Voltage |
|
Yes |
| 6-3 | Backup Battery has been used |
|
Not applicable |
| 6-4 | Backup Battery Connection Error |
|
Yes |