DTC B2789 No Response from ID BOX: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when LIN communication between the certification ECU (smart key ECU assembly) and the ID code box (immobilizer code ECU) stops for more than 10 seconds
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2789 | No communication between the certification ECU (smart key ECU assembly) and the ID code box (immobilizer code ECU) for more than 10 seconds |
|