Engine Immobiliser System
WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
CERTIFICATION ECU DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B2784 | Antenna Coil Open / Short |
| B2785 | Communication Malfunction between ECUs Connected by LIN |
| B2786 | No Response from Steering Lock ECU |
| B2789 | No Response from ID BOX |
| B278A | Short to GND in Immobiliser System Power Source Circuit |
| B2790 | ID BOX EEPROM Malfunction |
ECM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B2799 | Engine Immobiliser System Malfunction |
| B279A | Theft Deterrent System Communication Line High Fixation |
| B279C | Theft Deterrent System Presence Detection |