- The DDM/PDM must be programmed with the proper RPO configurations.
The DDM/PDM stores the information regarding the vehicle options.   If the
DDM/PDM is not properly configured with the correct RPO codes the DDM/PDM
will not control the features properly. Ensure that the following conditions
exist in order to prepare for the DDM/PDM programming:
 
| •  | The battery is fully charged. | 
 
| •  | The ignition switch is in the RUN position. | 
 
- Follow the instructions on the Techline Terminal and scan tool
to program the DDM/PDM.
 
- If the DDM/PDM fails to accept the program, perform the following
steps:
 
| •  | Inspect all DDM/PDM connections. | 
 
| •  | Verify that the Techline Terminal and scan tool have the latest
software version. |