DTC C0040:64 [Dynamic Stability Control (DSC)]: Notes

DTC	C0040:64	Brake switch
DETECTION CONDITION	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  . Brake switch ON signal is not input even though the control module determines vehicle deceleration.
FAIL-SAFE FUNCTION	Vehicles with malfunction warning light  Permits the control and illuminates malfunction warning light. Vehicle without malfunction warning light  Permits the control and illuminates brake system warning light.
POSSIBLE CAUSE	Open or short circuit in wiring harness between the brake switch and PCM terminal 1AB Brake switch malfunction Poor connection at connectors (female terminal)