DTC B159D: No Response from Operation Panel; DTC B15D9: Operation Panel Disconnected: Description
The display and navigation module display and radio receiver assembly (A/C control panel) are connected by the AVC-LAN communication line.
When an AVC-LAN communication error occurs between the display and navigation module display and radio receiver assembly (A/C control panel), these DTCs will be stored.
HINT:
If either B159D or B15D9 and either B1597 or B15D6 are output, troubleshoot for B1597 or B15D6 first.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B159D | No response to the diagnostic memory request from the master unit. |
|
| B15D9*1 | 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.