Diagnostic Starting Point - Automatic Transmission: Notes
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Begin the system diagnosis with the DIAGNOSTIC SYSTEM CHECK - VEHICLE . The Diagnostic System Check provides the following information:
- The identification of the control module or modules which command 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 the DIAGNOSTIC SYSTEM CHECK - VEHICLE identifies the correct procedure for diagnosing the system and the procedure location.