Diagnostic Trouble Code Chart
Mayday ECU Assembly
MAYDAY ECU ASSEMBLY DIAGNOSTIC TROUBLE CODE CHART
| DTC Code | Detection Item | Trouble Area | Indicator (red LED) Illuminates When DTC is Present | See |
|---|---|---|---|---|
| 1-1 | Services Disabled |
|
No | DTC 1-1 SERVICES DISABLED |
| 1-2 | Option Configuration Error |
|
Yes | DTC 1-2 OPTION CONFIGURATION ERROR |
| 2-1 | EEPROM Communication Error |
|
Yes | DTC 2-1 EEPROM COMMUNICATION ERROR; DTC 2-2 EEPROM CHECKSUM ERROR |
| 2-2 | EEPROM Checksum Error |
|
Yes | DTC 2-1 EEPROM COMMUNICATION ERROR; DTC 2-2 EEPROM CHECKSUM ERROR |
| 2-3 | Digital Signal Processor Communication Error |
|
Yes | DTC 2-3 DIGITAL SIGNAL PROCESSOR COMMUNICATION ERROR; DTC 2-4 GPS COMMUNICATION ERROR |
| 2-4 | GPS Communication Error |
|
Yes | DTC 2-3 DIGITAL SIGNAL PROCESSOR COMMUNICATION ERROR; DTC 2-4 GPS COMMUNICATION ERROR |
| 2-5 | Network Access Device Diagnostic Error |
|
Yes | DTC 2-5 NETWORK ACCESS DEVICE DIAGNOSTIC ERROR; DTC 2-6 NETWORK ACCESS DEVICE COMMUNICATION ERROR |
| 2-6 | Network Access Device Communication Error |
|
Yes | DTC 2-5 NETWORK ACCESS DEVICE DIAGNOSTIC ERROR; DTC 2-6 NETWORK ACCESS DEVICE COMMUNICATION ERROR |
| 3-1 | GPS Antenna Error |
|
Yes | DTC 3-1 GPS ANTENNA ERROR |
| 3-2 | Cellular Phone Antenna Error |
|
Yes | DTC 3-2 CELLULAR PHONE ANTENNA ERROR |
| 3-3 | GPS Signal not Received |
|
Yes | DTC 3-3 GPS SIGNAL NOT RECEIVED |
| 4-1 | Red LED Error |
|
Not applicable | DTC 4-1 RED LED ERROR |
| 4-2 | Green LED Error |
|
Yes | DTC 4-2 GREEN LED ERROR |
| 4-3 | Overhead Module Microphone Error |
|
Yes | DTC 4-3 OVERHEAD MODULE MICROPHONE ERROR |
| 4-4 | SERVICES, PHONE or PTT Button Stuck |
|
Yes | DTC 4-4 SERVICES, PHONE OR PTT BUTTON STUCK |
| 4-5 | EMERGENCY, VOL+ or VOL- Button Stuck |
|
Yes | DTC 4-5 EMERGENCY, VOL+ OR VOL- BUTTON STUCK |
| 4-6 | SERVICES, PHONE or PTT Button has Connection Error |
|
Yes | DTC 4-6 SERVICES, PHONE OR PTT BUTTON HAS CONNECTION ERROR |
| 4-7 | EMERGENCY, VOL+ or VOL- Button has Connection Error |
|
Yes | DTC 4-7 EMERGENCY, VOL+ OR VOL- BUTTON HAS CONNECTION ERROR |
| 5-1 | BEAN Communication Error |
|
Yes | DTC 5-1 BEAN COMMUNICATION ERROR |
| 5-2 | Airbag Signal Communication Error |
|
Yes | DTC 5-2 AIRBAG SIGNAL COMMUNICATION ERROR |
| 6-1 | Backup Battery Depleted |
|
Yes | DTC 6-1 BACKUP BATTERY DEPLETED |
| 6-2 | Low Vehicle Battery Voltage |
|
Yes | DTC 6-2 LOW VEHICLE BATTERY VOLTAGE |
| 6-3 | Backup Battery has been used |
|
Not applicable | DTC 6-3 BACKUP BATTERY HAS BEEN USED |
| 6-4 | Backup Battery Connection Error |
|
Yes | DTC 6-4 BACKUP BATTERY CONNECTION ERROR |