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Home >> Toyota >> 2023 >> RAV4 XLE, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Safety Connect System - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests >> Safety Connect System >> DTC B15C5-11: Emergency Call Switch Circuit Short to Ground; DTC B15C5-13: Emergency Call Switch Circuit Open [10/2019 - 01/2020] >> Description

DTC B15C5-11: Emergency Call Switch Circuit Short to Ground; DTC B15C5-13: Emergency Call Switch Circuit Open [10/2019 - 01/2020]: Description

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

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C5-11 Emergency Call Switch Circuit Short to Ground Manual (SOS) switch impedance (Ω) is lower than the malfunction threshold for 10 seconds or more when the ignition switch is ON
  • Map light sub-assembly (manual [SOS] switch)
  • Harness or connector
  • DCM (telephone transceiver assembly)
B15C5-13 Emergency Call Switch Circuit Open Manual (SOS) switch impedance (Ω) is higher than the malfunction threshold for 10 seconds or more when the ignition switch is ON
  • Map light sub-assembly (manual [SOS] switch)
  • Harness or connector
  • DCM (telephone transceiver assembly)