DTC B2799 Engine Immobilizer System Malfunction: Description
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when: 1) the ECM detects errors in its own communication with the transponder key ECU; 2) the ECM detects errors in the communication lines; and 3) the ECU - ECM communication IDs between the transponder key ECU and the ECM are different and an engine start is attempted. Before troubleshooting for this DTC, make sure no transponder key ECU DTCs are present. If present, troubleshoot the transponder key ECU DTCs first.
DTC TROUBLE DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2799 |
|
|