DTC C0609-62: Electric Parking Brake Switch Signal Compare Failure [08/2021 - 07/2022]: Description

When the electric parking brake switch is pushed, a lock request signal is sent from the parking brake ECU (brake actuator assembly) to the parking brake actuator assembly. When the electric parking brake switch is pulled, a release request signal is sent from the parking brake 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 initial check: 1 second) Stuck parking brake switch detected 3 times in succession when being operated	Electric parking brake switch assembly Wire harness and connector Parking brake ECU (brake actuator assembly)	DTC stored	An electric parking brake system malfunction is displayed on the multi-information display.