Diagnostic Starting Point - Automatic Transmission: Notes
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Begin the system diagnosis with Diagnostic System Check - Vehicle . The Diagnostic System Check - Vehicle provides the following information:
- The identification of the control module which commands the system
- The ability of the control module or modules to communicate through the serial data circuit
- The identification and status of stored diagnostic trouble codes (DTCs)
The use of Diagnostic System Check - Vehicle identifies the correct procedure for diagnosing the system and where the procedure is located.