Diagnostic Test
- CHECK FOR DPDM MODULE DTCS
- With the scan tool, read Driver Presence Detection Module (DPDM) DTCs.
Are there any DPDM DTCs present?
Yes
- Perform the appropriate DPDM diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
No
- Go To 2
- With the scan tool, read Driver Presence Detection Module (DPDM) DTCs.
- CHECK FOR ANY SERVICE BULLETINS OR PCM SOFTWARE UPDATES
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
Are there any applicable Service Bulletins or Flash updates?
Yes
- Perform the applicable repair.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 3
- Check for any applicable Service Bulletins or Flash updates related to the DTC.
- CHECK RELATED DPDM MODULE AND COMPONENT CONNECTIONS
- Turn the ignition off.
- Disconnect all DPDM harness connectors.
- Disconnect all related in-line harness connections (if equipped).
- Disconnect the related component harness connectors.
- Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
- Proper connector installation.
- Damaged connector locks.
- Corrosion.
- Other signs of water intrusion.
- Weather seal damage (if equipped).
- Bent terminals.
- Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
- Terminals that have been pushed back into the connector cavity.
- Check for spread terminals and verify proper terminal tension.
Repair any conditions that are found.
- Reconnect all DPDM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
- Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
- Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
- With the scan tool, erase DTCs.
- Test drive or operate the vehicle in accordance with the when monitored and set conditions.
- With the scan tool, read DTCs.
Did the DTC return?
Yes
- Replace and program the Driver Presence Detection Module (DPDM) in accordance with the Service information. Refer to MODULE, DRIVER PRESENCE DETECTION (DPDM), REMOVAL AND INSTALLATION .
- Perform the DPDM VERIFICATION TEST. Refer to DRIVER PRESENCE DETECTION MODULE (DPDM) VERIFICATION TEST .
No
- The wiring or poor connection problem has been repaired.
- Perform the DPDM VERIFICATION TEST. Refer to DRIVER PRESENCE DETECTION MODULE (DPDM) VERIFICATION TEST .