DTC C0609-62: Electric Parking Brake Switch Signal Compare Failure [11/2023 - ]: Description

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When the electric parking brake switch is pulled, a lock request signal is sent from the No. 2 skid control ECU (brake actuator assembly) to the parking brake actuator assembly. When the electric parking brake switch is pushed, a release request signal is sent from the No. 2 skid control ECU (brake actuator assembly) to the parking brake actuator assembly.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	Note
C0609-62	Electric Parking Brake Switch Signal Compare Failure	Open or short detected in parking brake switch circuit for 1 second or more Stuck parking brake switch detected (when parked: 30 seconds, when driving: 1 second, during engine stall: 1 second) Stuck parking brake switch detected 3 times in succession when being operated	Electric parking brake switch (electric parking brake switch assembly) Wire harness and connector No. 2 skid control ECU (brake actuator assembly)	DTC stored	An electric parking brake system malfunction is displayed on the multi-information display.