Audio / Visual / Telematics

Diagnostic Trouble Code Chart

~1min read
DIAGNOSTIC TROUBLE CODE CHART Navigation System

DTC Code

Detection Item

See page

B1532

LVDS Signal Malfunction (from Extension Module)

B1551

HD Radio Tuner Malfunction

B1579

Voice Recognition Microphone Disconnected

B1585

USB Media Malfunction

B158C

SD Card Communication Malfunction

B158F

AV Signal Stoppage (Low Battery Voltage)

B15A0

LAN Master Malfunction

B15A3

Stereo Component Amplifier Malfunction

B15AD

Navigation Processor Malfunction

B15B0

Display Screen Malfunction

B15B3

Radio Tuner Malfunction

B15B4

CD Changer Malfunction

B15B7

Bluetooth Module Malfunction

B15BA

XM Tuner Malfunction

B15C0

GPS Antenna Connection Malfunction(short)

B15C1

GPS Antenna Connection Malfunction(break)

B15C2

Speed Signal Malfunction

B15C3

Speaker Output Short

B15D3

Stereo Component Amplifier Disconnected

B15FE

XM Tuner Antenna Disconnected

B15FF

XM Tuner Antenna Short

U0073

Sending Malfunction (Navigation to APGS)

U0140

Lost Communication with Body Control Module

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.