TechFix Episode 1: Inside the Mack Pioneer™ – Vehicle Modes, Key Behavior, and Battery Saver Fixes that Matter

Presented by Mack Trucks Academy

Introducing TechFix—a video series delivering practical tips and tricks to help technicians work smarter, troubleshoot faster, and repair with confidence..

Episode 1 explains Proactive Engine Restart and related remote-start functions. It shows when and how the system activates, the key and fob requirements, and the conditions that must be met for it to work. You’ll also see common reasons it won’t engage and how to troubleshoot them quickly.

The takeaway: this system is powerful, but it only works if you understand the rules. Knowing what mode the truck is in—and what the system requires—can mean the difference between hours of wasted troubleshooting and a quick fix.

Click here to watch now.