: Some technicians suggest disconnecting the negative battery terminal for 10+ minutes to see if the code clears, though hardware faults (1a) usually require physical repair.
This is a growing issue. A trailer hitch receiver, aftermarket mud flaps, or even a poorly placed license plate frame on the rear of a truck can disrupt the radar’s 150° field of view. The radar sees a static object in its sweep and assumes debris. nissan b1432-1a