Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Engine Immobiliser System

DTC No.

Detection Item

Link

B2780

Push Switch / Key Unlock Warning Switch Malfunction

B2784

Antenna Coil Open / Short

B2793

Transponder Chip Malfunction

B2794

Unmatched Encryption Code

B2795

Unmatched Key Code

B2796

No Communication in Immobiliser System

B2797

Communication Malfunction No. 1

B2798

Communication Malfunction No. 2

B2799

Engine Immobiliser System Malfunction

B279A

Theft Deterrent System Communication Line High Fixation

B279C

Theft Deterrent System Presence Detection

    Diagnosis System

    Dtc Check / Clear

    See More:

    Toyota Tundra Service Manual > Ignition Key Cylinder Light: Inspection
    INSPECTION PROCEDURE 1. INSPECT TRANSPONDER KEY COIL (IGNITION KEY CYLINDER LIGHT) (a) Apply battery voltage to the connector and check the light illumination condition. OK: Condition Specified Condition Battery positive (+) → Terminal 2 (ILL+) Battery negative (-) → Terminal 4 (ILL-) Illuminate ...

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