Diagnostic Trouble Code Table
WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
MAYDAY ECU DIAGNOSTIC TROUBLE CODE TABLE
DIAGNOSTIC TROUBLE CODE TABLE
| DTC Code | Detection Item | Trouble Area | Indicator (red LED) | Information |
|---|---|---|---|---|
| 1-1 | Services Disabled | No problem | No | 1-1 |
| 1-2 | Option Configuration Error | Mayday ECU assembly | Yes | 1-2 |
| 2-1 | EEPROM Communication Error | Mayday ECU assembly | Yes | 2-1 |
| 2-2 | EEPROM Checksum Error | Mayday ECU assembly | Yes | 2-2 |
| 2-3 | Digital Signal Processor Communication Error | Mayday ECU assembly | Yes | 2-3 |
| 2-4 | GPS Communication Error | Mayday ECU assembly | Yes | 2-4 |
| 2-5 | Network Access Device Diagnostic Error | Mayday ECU assembly | Yes | 2-5 |
| 2-6 | Network Access Device Communication Error | Mayday ECU assembly | Yes | 2-6 |
| 3-1 | GPS Antenna Error |
|
Yes | 3-1 |
| 3-2 | Cellular Phone Antenna Error |
|
Yes | 3-2 |
| 3-3 | GPS Signal not Received |
|
Yes | 3-3 |
| 4-1 | Red LED Error |
|
Not applicable | 4-1 |
| 4-2 | Green LED Error |
|
Yes | 4-2 |
| 4-3 | Overhead Module Microphone Error |
|
Yes | 4-3 |
| 4-4 | SERVICES, PHONE or PTT Button Stuck |
|
Yes | 4-4 |
| 4-5 | EMERGENCY, VOL+ or VOL- Button Stuck |
|
Yes | 4-5 |
| 4-6 | SERVICES, PHONE or PTT Button has Connection Error |
|
Yes | 4-6 |
| 4-7 | EMERGENCY, VOL+ or VOL- Button has Connection Error |
|
Yes | 4-7 |
| 5-1 | BEAN Communication Error |
|
Yes | 5-1 |
| 5-2 | Airbag Signal Communication Error |
|
Yes | 5-2 |
| 6-1 | Backup Battery Depleted | Mayday battery (backup battery) | Yes | 6-1 |
| 6-2 | Low Vehicle Battery Voltage |
|
Yes | 6-2 |
| 6-3 | Backup Battery has been used | No problem | Not applicable | 6-3 |
| 6-4 | Backup Battery Connection Error |
|
Yes | 6-4 |