Toyota 4Runner: Diagnostic Trouble Code Chart

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Cellular Communication / Safety Connect System / 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 the "See page" below.

Safety Connect System

DTC Code	Detection Item	See page
B1570	Manual (SOS) Switch Red Indicator Malfunction
B1571	Manual (SOS) Switch Green Indicator Malfunction
B1572	Telephone Microphone Error
B1573	Short in Telephone Antenna Circuit
B1583	GPS Signal Unreceived
B15A8	Telematics Transceiver Malfunction
B15C0	Short in GPS Antenna
B15C1	Open in GPS Antenna
B15C4	Airbag Signal Malfunction/Not Input
B15C5	Manual Button Malfunction
B15CB	Telematics Transceiver Antenna Disconnected
B15CC	Backup Battery Failure
B15EC	Backup Battery Degradation

Backup Battery Degradation (B15EC)

DESCRIPTION This DTC is stored when the DCM (Telematics Transceiver) detects either of the following conditions. The BUB (Back-Up Battery) charge level becomes less than the criteria. ...

Backup Battery Failure (B15CC)

DESCRIPTION This DTC is stored when the DCM (Telematics Transceiver) detects one of the following: Open or short in the BUB (Back-Up Battery) circuit. The BUB (Back-Up Battery) voltage dr ...

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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 DTC Detection Condition Trouble Area ...