Toyota 4Runner manuals

Toyota 4Runner: 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


B1287

Back Door ECU Communication Stop


B2321

Driver Side Door ECU Communication Stop


B2322

Front Passenger Side Door ECU Communication Stop


B2323

Rear Door RH ECU Communication Stop


B2324

Rear Door LH ECU Communication Stop


B2325

LIN Communication Bus Malfunction


Power Management Control ECU

DTC Code

Detection Item

See page

B2287

LIN Communication Master 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


B2789

No Response from ID BOX


B278C

Lost Communication with Power Source Control


Multiplex Network Door ECU (Back Door P/W)

DTC Code

Detection Item

See page

B2327

Lost Communication with Back Door Power Window ECU (Abnormal Power Supply)


B2328

Back Door Power Window ECU Communication Malfunction


Drive Monitor Switch

DTC Code

Detection Item

See page

B2661

Lost Communication with Combination Meter


B2662

Lost Communication with Clock/Outside Temperature Display


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

No Response from ID BOX (B2789)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU and ID code box stops for 10 seconds or more. DTC Code DTC Detection Condition ...

Other materials about Toyota 4Runner:

Short in Driver Side Squib 2nd Step Circuit (B1810/53-B1813/53)
DESCRIPTION The driver side squib 2nd step circuit consists of the center airbag sensor, spiral cable and steering pad. The circuit instructs the SRS to deploy when deployment conditions are met. These DTCs are stored when a malfunction is detected in the ...

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 ...

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