Scan Tool Testing and Procedures

The CSM has the ability to run a self-test using the scan tool. This self-test will monitor the following CSM door lock inputs:
- Unlock switch (DTC B1311)
- Lock switch (DTC B1300)
- Exterior lock switch (DTC B1309)
- Exterior unlock switch (DTC B1341)

Before running the self-test, the following conditions must be met:
- The ignition switch must be in the RUN position
- The driver and passenger doors must be unlocked
- The driver and passenger doors must be opened
- The hood and liftgate must be closed
- The set/reset switch, and liftgate release switch are not actuated

It is important to note that all of the Diagnostic Trouble Codes (DTCs), with the exception of B1551 and B1553 can be retrieved with the self-test. DTCs B1551, and B1553 are continuous and will only be retrieved if the liftgate release is operated prior to retrieving the continuous DTCs.