Embedded in the 5th Generation control module is a new inclinometer, which Allison said enhances vehicle productivity and efficiency in stop-start operations.

If you own an automobile running an Allison transmission developed between 2004-2008, and it is presenting transmission issues, the culprit could be a faulty TCM module.

In autonomous or driverless mode, the truck’s Autonomous Drive Controller sends instructions to the Allison Transmission Control Module, vehicle brake and other control systems.

Dave installs the Allison transmission-control module in the engine compartment, next to the brake booster, and feeds its wiring harness down into the transmission tunnel.