Came across this:
Here is the recall info from the Canadian Motor Vehicle Safety Database.
Transport Canada Recall # 2016049
Recall Date 2016/02/01
Notification Type Safety Mfr System Fuel Supply
Manufacturer Recall Number
Units Affected The number of vehicles or components affected by the recall. 48,412
Category SUV Recall Details Certain vehicles fail to comply with the requirements of Canada Motor Vehicle Safety Standard 301 – Fuel System Integrity.
During rear impact crash testing, the fuel filler pipe ruptured, causing fuel spillage exceeding the limit specified by the standard. As a result, a collision involving the rear of the vehicle could result in a fuel leak. Fuel leakage, in the presence of an ignition source, could result in a fire causing injury and/or property damage.
Correction: Dealers will remove a bolt on the left rear side member attaching the bracket to the fuel filler pipe. This will change the load path during a rear crash impact preventing filler pipe rupture. Make Model Model Year(s) Affected MAZDA CX-5 2014 2015