ENGINE IMMOBILISER SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips

If a trouble code is displayed during the DTC check, inspect the trouble areas for that code in the table below. For details of the code, refer to the "See page" below.

Certification ECU:
DTC Code Detection Item See page
B2784 Antenna Coil Open / Short

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B278A Short to GND in Immobiliser System Power Source Circuit

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B2790 ID BOX EEPROM Malfunction

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Tech Tips

The DTCs for the engine immobiliser system are specified above. If other code output, check the DTC chart for the SFI system.

ECM:
DTC Code Detection Item See page
B2799 Engine Immobiliser System Malfunction

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B279A Theft Deterrent System Communication Line High Fixation

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B279C Theft Deterrent System Presence Detection

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