DTC U0515-00: Abnormal Signal From Cruise Control Switches: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DTC	U0515:00		Abnormal signal from cruise control switches
DETECTION CONDITION		The DSC HU/Control Module received error signals from the cruise control switches with the ignition switched ON (engine off or on).
FAIL-SAFE FUNCTION		Refer to "DTC TABLE " and "Fail-safe Function Malfunction Contents". (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .)
POSSIBLE CAUSE		Cruise control switch malfunction Start stop unit malfunction
SYSTEM WIRING DIAGRAM		-