Diagnostic Starting Point - Automatic Transmission for Cadillac XLR 2005
Begin the system diagnosis with the
Diagnostic System Check - Vehicle in Vehicle
DTC Information. The
Diagnostic System Check - Vehicle in Vehicle DTC Information
will provide the following information:
| • | The identification of the control modules which command the
system |
| • | The ability of the control modules to communicate through the
serial data circuit |
| • | The identification of any stored diagnostic trouble codes (DTCs)
and their status |
The use of the
Diagnostic System Check - Vehicle in Vehicle DTC Information
will identify the correct procedure for diagnosing the system and where
the procedure is located.