FixVault

Engine Control Module (ECM)

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 Isuzu i-290, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Battery 1

Displays 0.0-25.5 V. This parameter is the system voltage measured by the BCM at the BCM battery input.

TCC Brake Switch

Displays ON/OFF. This parameter indicates ON when the brake pedal is depressed and OFF when the brake pedal is released.