LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2018 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Safety Connect System (Diagnostic Codes & Symptom Tests) >> Safety Connect System >> DTC B15C5-11: Emergency Call Switch Circuit Short to Ground; DTC B15C5-13: Emergency Call Switch Circuit Open [08/2019 - ] >> Description

DTC B15C5-11: Emergency Call Switch Circuit Short to Ground; DTC B15C5-13: Emergency Call Switch Circuit Open [08/2019 - ]: Description

If the DCM (telematics transceiver) detects an error in the communication between the DCM (telematics transceiver) and the map light assembly (manual (SOS) switch) as a result of the DCM (telematics transceiver) self check, this DTC will be stored.

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 power switch is on (IG)
  • Map light assembly (manual (SOS) switch)
  • Harness or connector
  • DCM (telematics transceiver)
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 power switch is on (IG)
  • Map light assembly (manual (SOS) switch)
  • Harness or connector
  • DCM (telematics transceiver)