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 > Sfi System: Starter Relay Circuit High (P0617)
    DESCRIPTION While the engine is being cranked, the positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the Starter Control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit. The ECM then illuminates the MIL and ...

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