DTC U0515-00: Error Signal Received From Start Stop Unit: Notes

System malfunction location	Error signal received from start stop unit
Detection condition	Communication error between start stop unit and vehicle control module (V/C-module)
Fail-safe	Inhibits the Mazda radar cruise control (MRCC) system control Inhibits the forward obstruction warning (FOW) system control^1 ^1 : Enabled depending on malfunction content.
Possible cause	Start stop unit malfunction Vehicle control module (V/C-module) malfunction
System wiring diagram	Not applicable