DTC B1590: No Response from Gateway ECU; DTC B156A: Gateway ECU Disconnected: Description
The display and navigation module display and network gateway ECU are connected by the AVC-LAN communication line.
When an AVC-LAN communication error occurs between the display and navigation module display and network gateway ECU, these DTCs will be stored.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1590 | No response to the diagnostic memory request from the master unit. |
|
| B156A | A device that is listed in the AVC-LAN connected device record of the master unit is missing. |
HINT:
- *1: Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.
- The display and navigation module display is the master unit.