Vehicle Data Recorder
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
The J 42598 is connected to the data link connector (DLC) and sent with the customer. See Special Tools . The J 42598 captures data for later retrieval and analysis by the technician. See Special Tools . Refer to the vehicle data recorder user instructions for more information.