Toyota Tacoma manuals

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

DIAGNOSTIC TROUBLE CODE CHART

Main Body ECU (Multiplex Network Body ECU)

DTC Code

Detection Item

See page

B1206

P/W Master Switch Communication Stop

B1273

Sliding Roof ECU Communication Stop

B2321

Driver Side Door ECU Communication Stop

B2322

Front Passenger Side Door ECU Communication Stop

B2325

LIN Communication Bus Malfunction

Certification ECU (Smart Key ECU Assembly)

DTC Code

Detection Item

See page

B2785

Communication Malfunction between ECUs Connected by LIN

B2786

No Response from Steering Lock ECU

B278C

Lost Communication with Power Source Control

No Response from Steering Lock ECU (B2786)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and steering lock ECU (steering lock actuator or upper bracket assembly) stops for 10 ...

Sliding Roof ECU Communication Stop (B1273)
DESCRIPTION This DTC is stored when LIN communication between the sliding roof ECU (sliding roof drive gear sub-assembly) and main body ECU (multiplex network body ECU) stops for 10 seconds or mo ...

Other materials:

SD Card Communication Malfunction (B158C)
DESCRIPTION The navigation receiver assembly stores this DTC when the SD card cannot be mounted when inserted into the SD card slot. DTC Code DTC Detection Condition Trouble Area B158C The SD card cannot be mounted when inserted into t ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by check ...

System Description
SYSTEM DESCRIPTION 1. SYSTEM FUNCTION Function Outline Push-button start function When the key is brought into the vehicle and verified, this function changes the power source or starts the engine when the engine switch and brake pedal are ...

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