Operation CHARM: Car repair manuals for everyone.

Requesting A Parameter Identification (PID)/Data Monitor

For the Generic Electronic Module (GEM) to detect a battery short, the device must be activated. During Continuous State, a Parameter Identification Display (PID) may fluctuate between both short and normal when a battery short is present.









The charts list all of the acronyms displayed on the New Generation Star Tester (NGS) Scan Tool for GEM related diagnostics.