What Does P0615 Mean? OBD-II Code P0615 is defined as a Starter Relay Circuit The Starter Relay controls the voltage from the battery to the starter when the ignition is in the start position. If the engine computer sees that the starter circuit is not operating properly, code P0615 will be set. The engine will not crank if there is a fault in starter circuit. engine code P0615P0615 fixobd P0615dtc P0615obd code P0615obd2 P0615P0615 car codediagnostic code P0615car code P0615check engine code P0615fehlercode P0615P0615 fiatcodigo P0615codigo falla P0615P0615 kody b??dówcodigo de falla P0615 What are the common causes of P0615 ? In choosing a single most common cause, I would have to say a faulty ignition switch. Other common causes may include a blown fuse, a bad starter relay, shorted or open circuits, a defective battery, faulty battery cables/cable ends, or a defective starter motor/solenoid. How do you troubleshoot P0615 ? With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Searches related to P0615 - Start Signal Circuit p0615 gmc starter relay control circuit p0615 nissan p0615 infiniti nissan murano code p0615 p0868 nissan murano starter relay circuit p1815 infiniti