July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Code 38 - Speed Sensor Error

WARNING: This page does not describe the selected car, but rather 58 other vehicles, including the 1992 Oldsmobile Bravada, 1992 GMC Yukon, 1992 GMC Suburban, 1992 GMC Sonoma, and 1992 GMC Safari. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Code 38 - Speed Sensor Error

Courtesy of GENERAL MOTORS CORP.