Toyota Tacoma manuals

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

DIAGNOSTIC TROUBLE CODE CHART

HINT:

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

Transponder Key ECU Assembly

DTC Code

Detection Item

See page

B2780

Push Switch / Key Unlock Warning Switch Malfunction

B2784

Antenna Coil Open / Short

B2793

Transponder Chip Malfunction

B2794

Unmatched Encryption Code

B2797

Communication Malfunction No. 1

B2798

Communication Malfunction No. 2

HINT:

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

ECM

DTC Code

Detection Item

See page

B2799*1

Engine Immobiliser System Malfunction

B279986*2

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

B279A*1

Theft Deterrent System Communication Line High Fixation

B279A12*2

Engine Immobiliser System Circuit Short to Battery

B279C*1

Theft Deterrent System Presence Detection

B279C95*2

Engine Immobiliser System Incorrect Assembly

  • *1: for 2TR-FE
  • *2: for 2GR-FKS
Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any p ...

Theft Deterrent System Communication Line High Fixation (B279A,B279A12)
DESCRIPTION If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck high (e.g. shorted to +B), the ECM stores this DTC. DTC No. DTC Detection Condit ...

Other materials:

Crankshaft Position Sensor "A" Signal Stuck in Range (P03352A,P033531)
DESCRIPTION The crankshaft position sensor system consists of a crankshaft position sensor plate and a pickup coil. The crankshaft position sensor plate has 34 teeth and is installed to the crankshaft. The pickup coil is made of wound copper wire, an iron core and a magnet. The crankshaft pos ...

Installation
INSTALLATION PROCEDURE 1. INSTALL ROOF HEADLINING ASSEMBLY (a) Insert the roof headlining assembly into the vehicle from the door. NOTICE: Check that the corners of the roof headlining assembly are not folded, twisted or otherwise deformed and that none of the ...

Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and freeze frame data. HINT: DTCs which are sto ...

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