Data Communication Schematics

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Class 2 Serial Data

Courtesy of GENERAL MOTORS CORP.

Fig 2: High Speed GMLAN Serial Data

Courtesy of GENERAL MOTORS CORP.