For 1990-2009 cars only
All DTCs can be displayed by using one of the following methods:
| • | A scan tool. |
| • | The On-Board Service Diagnostic (OBSD). |
Most of the diagnostic tables will refer to the scan tool for diagnostic support. For details on using the OBSD to display DTCs refer to Diagnostic Trouble Code (DTC) Displaying in HVAC Systems with A/C-Automatic.
