AEM digital map SD Cards carry an industry leading one year limited warranty against SD card failure due to manufacturing defects. The warranty does not cover failure due to neglect or abuse. The warranty does not cover failure caused by customer edits to the files and/or file structure of the SD cards.Files contained on the SD cards should not be edited; doing so will void the warranty. Costs relating to shipping defective cards back to Angler's Edge Mapping are the responsibility of the customer. Warranty (and qualification for any future upgrades Angler's Edge Mapping may choose to offer) is conditional on submission of the Product Registration form within 90 days of purchase. Please complete the form below for warranty-related concerns and we'll get back to you ASAP.