NHTSA campaign 17V625000
Hazard
Subaru of America, Inc. (Subaru) is recalling certain 2015 WRX and WRX/STI vehicles, equipped with an optional factory-installed subwoofer in the trunk. Items in the trunk may cause the subwoofer wiring to contact the subwoofer metal frame, possibly resulting in an electrical short.
Consequence
An electrical short may damage the subwoofer amplifier, and may result in the subwoofer overheating, increasing the risk of a fire.
Remedy
Subaru will notify owners, and dealers will inspect the subwoofer wire, install a wire retainer clip, and, as necessary, replace the subwoofer, free of charge. The recall began October 31, 2017. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTQ-76.
The text above is quoted verbatim from the NHTSA record. Confirm the affected units and the remedy with the manufacturer or NHTSA. Recall data may be incomplete, delayed, or superseded.