Power Liftgate Control Module
Any diagnosis of the Power Liftgate System should begin with the use of a diagnostic scan tool. For information on the use of the scan tool, refer to POWER LIFTGATE MODULE (PLGM) - ELECTRICAL DIAGNOSTICS .
Inspect the related wiring harness connectors for broken, bent, pushed out, or corroded terminals. Refer to SYSTEM WIRING DIAGRAMS for Aspen, or SYSTEM WIRING DIAGRAMS for Durango .
Before any testing of the power liftgate system is attempted, the battery should be fully-charged.