DTC C1380-7F: Stop Lamp Relay Actuator Stuck Off [09/2018 - 10/2023]: Description

Refer to DTCs C1380-7E.

Refer to DTC C1380-7E: Stop Lamp Relay Actuator Stuck On [09/2018 - 10/2020] , or refer to DTC C1380-7E: Stop Lamp Relay Actuator Stuck On [10/2020 - 10/2023]

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
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 9.5 V or higher, stop light drive output (STPO) is OFF, STP is ON and STP2 is OFF continuously for 5 seconds or more.	Wire harness or connector Rear light LED LH Rear light lens and body LH Rear light LED RH Rear light lens and body RH Rear combination light LED LH Rear combination light lens and body LH Rear combination light LED RH Rear combination light lens and body RH Center stop light assembly Center stop light wire Stop light switch assembly No. 3 semiconductor power integration ECU Skid control ECU (Brake actuator assembly)	-

C1380-7F DTC DETECTION CONDITIONS

		Vehicle Condition
		Pattern 1	Pattern 2
Diagnosis Condition	IG1 terminal voltage exceeds 10 V and +BS terminal voltage is from 9.5 to 17.4 V	◦	-
Diagnosis Condition	IG1 terminal voltage exceeds 10 V and +BS terminal voltage is 9.5 V or higher	-	◦
Malfunction Status	Stop light drive output (STPO) is ON, STP is OFF and STP2 is OFF	◦	-
Malfunction Status	Stop light drive output (STPO) is OFF, STP is ON and STP2 is OFF	-	◦
Detection Time		2 seconds or more.	5 seconds or more.
Number of Trips		1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.