DTC B1601/P1260: Keyless Control Module Has Detected Unregistered Key ID Number: Notes

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Security Light: 15, DTC B1601/P1260 Detection Condition And Possible Cause

Courtesy of MAZDA MOTORS CORP.