New GM E93 ECM Services
E93 ECM support is here! The E93 is found in 20-23 Silverado/Sierra HD 6.6L L8T (Gas) trucks.
Get your E93 ECM upgraded via our new one-time GM E93 ECM Services: Upgrade or Purchase.
*At this time, International customers must send their E93 ECM to our US headquarters for the
send-in Upgrade service.
Click HERE to see all the details on our website!