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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Safety Connect System (Except Hybrid) - Diagnostic Codes & Symptom Tests) >> SAFETY CONNECT SYSTEM (for Gasoline Model) >> DTC B15C5: Manual Button Malfunction [06/2018 - 10/2019] >> Description

DTC B15C5: Manual Button Malfunction [06/2018 - 10/2019]: Description

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This DTC is set when the DCM (Telematics Transceiver) detects an open or short circuit in the manual (SOS) switch.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C5 Manual Button Malfunction Open or short circuit in manual (SOS) switch is detected.
  • DCM (Telematics Transceiver)
  • Map light sub-assembly
  • Wire harness or connector