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Home >> Lexus >> 2012 >> IS 250C Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio / Video System (W/O Navigation & Multi-Display) (Diagnostic Codes & Symptom Tests) >> AUDIO AND VISUAL SYSTEM (w/o Navigation System without Multi-display) >> DTC 74-40: Short in Speaker Circuit >> Description
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DTC 74-40: Short in Speaker Circuit: Description

DTC No. DTC Detection Condition Trouble Area
74-40 A short is detected in the speaker output circuit.
  • Wire harness or connector
  • Speaker
  • DCM (Telematics transceiver)*1
  • Stereo component amplifier assembly
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