DTC C0023-62; C0040-64; Brake Switch: Notes

DETECTION CONDITION & POSSIBLE CAUSE

DTC	C0023:62, C0040:64	Brake switch
DETECTION CONDITION		C0023:62 Brake light ON signal is not input even though the brake light request signal is input. Brake light ON signal is input even though the brake light request signal is not input. Brake light ON signal is not input when the brake fluid pressure sensor signal reaches the specified value. Communication error with brake light is detected in CAN communication via RBCM. C0040:64 Brake switch ON signal is input for 6 min or more when driving at a vehicle speed of 20 km/h {12 mph} or more. A brake switch ON signal is not input when the brake fluid pressure sensor signal reaches the specified value.
FAIL-SAFE FUNCTION		Refer to "DTC Table" and "Fail-safe Function Malfunction Contents". (See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)] .)
POSSIBLE CAUSE		Open or short circuit in wiring harness between the brake switch and PCM terminal 2G Brake switch malfunction PCM malfunction Rear body control module (RBCM) and/or brake light relay malfunction DSC HU/CM malfunction Poor connection at connectors (female terminal)