DTC U3000:97 [Blind Spot Monitoring (BSM)]: Notes

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

U3000:97 REFERENCE

DESCRIPTION	Radar performance malfunction
DETECTION CONDITION	Radar sensor sensitivity decrease Radar sensor axial deviation
POSSIBLE CAUSE	Soiling of rear bumper or BSM control module surface Reflective object is adhered to or obstructing BSM control module or area around it Rear bumper repair BSM control module malfunction