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DTC C1380-7F: Stop Lamp Relay Actuator Stuck Off [12/2019 - ]: Description

Refer to DTC C1380-7E.

Refer to DTC C1380-7E: Stop Lamp Relay Actuator Stuck On [12/2019 - ] 

DTC No. Detection Item DTC Detection Condition Trouble Area
C1380-7F Stop Lamp Relay Actuator Stuck Off Either of the following is detected:
  • When the IG1 terminal voltage exceeds 10 V and the +BS terminal voltage is from 9.5 to 17.4 V, stop light drive output (STPO) is ON, STP is OFF and STP2 is OFF continuously for 2 seconds or more.
  • When the IG1 terminal voltage exceeds 10 V and the +BS terminal voltage is from 9.5 to 17.4 V, STP is OFF and STP2 is ON continuously for 5 seconds or more.
  • Wire harness and connector
  • Stop light switch assembly
  • Skid control ECU (brake actuator assembly)
  • STP circuit
  • STP2 circuit