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

Toyota Tacoma (2015-2018) Service Manual / Multiplex Communication / Lin Communication System / 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:

Removal
REMOVAL PROCEDURE 1. REMOVE SLIDING ROOF SIDE GARNISH LH (a) Fully open the sunshade trim sub-assembly. (b) Remove the sliding roof side garnish LH. 2. REMOVE SLIDING ROOF SIDE GARNISH RH HINT: Use the same procedure as for the LH side. 3. ...

Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct procedures as given in these sections. CAUTION The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury observe the ...

Rear Seat Inner Belt Assembly(for Access Cab)
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE REAR NO. 1 SEAT INNER BELT ASSEMBLY (a) Open the 2 anchor covers. (b) Loosen the 2 bolts to remove the 2 rear No. 1 seat inner belt assemblies. Installation I ...