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

Toyota Tacoma (2015-2018) Service Manual / Engine Immobiliser / Engine Immobiliser System(w/ Smart Key System) / 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

Data List / Active Test

DATA LIST / ACTIVE TEST 1. DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when dec ...

Engine Immobiliser System Incorrect Assembly (B279C95)

DESCRIPTION This code is stored when an ECM that is incompatible with the engine immobiliser system is installed to the vehicle. DTC Code DTC Detection Condition T ...

Other materials:

Cruise Control Main Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE STEERING PAD ASSEMBLY (See page ) 2. REMOVE CRUISE CONTROL MAIN SWITCH (a) Disconnect the connector and remove the 2 screws. (b) Remove the cruise ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered befo ...

ABS Warning Light Remains ON
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. If any of the following is detected, the ABS warning light remains on: The skid control ECU (brake actuator assembly) connectors are disconnected from the ...