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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio / Video System - Diagnostic Codes (2 Of 3) >> Audio And Visual System >> DTC B15C3-71: Speaker Output Short Actuator Stuck [10/2022 - ] >> Description

DTC B15C3-71: Speaker Output Short Actuator Stuck [10/2022 - ]: Description

This DTC is stored when the stereo component amplifier assembly detects a short in a speaker circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
B15C3-71 Speaker Output Short Actuator Stuck When any of the following conditions is met:
(2 trip detection logic)
  • A short is detected in the speaker output circuit
  • Internal direct current is detected in the AMP power IC
  • Harness or connector
  • Speakers
  • Stereo component amplifier assembly
  • DCM (telematics transceiver)
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