TTGuideTacoma manuals & technical reference
Toyota Tacoma (2015-2018) Service Manual / Engine Immobiliser / Engine Immobiliser System(w/ Smart Key System) / Diagnostic Trouble Code Chart

Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

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

Certification ECU (Smart Key ECU Assembly)

DTC Code

Detection Item

See page

B2784

Antenna Coil Open / Short

B278A

Short to GND in Immobiliser System Power Source Circuit

B278D

Malfunction of ID-BOX Recognition

ECM

DTC Code

Detection Item

See page

B279986

Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid

B279A12

Engine Immobiliser System Circuit Short to Battery

B279C95

Engine Immobiliser System Incorrect Assembly

    Related Tacoma materials

    Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch
    DESCRIPTION If the manual up/down function can be performed but the auto up/down function cannot, then the fail-safe mode may be functioning. If the power window initialization (See page ) has not been performed, the auto up/down function will not operate. WIRING DIAGRAM CAUTION / NOTICE ...

    Rear Power Outlet Switch
    Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT MAIN SWITCH ASSEMBLY (a) Check the main switch assembly. (1) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Com ...

    Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" in the DTC chart. Wireless Door Lock Control System DTC Code Detection Item ...