Internal Base/Prem Select Failure

Turn ignition off. Connect scan tool to Data Link Connector (DLC). Turn ignition on. Using scan tool, clear DTCs. Turn ignition off, then on. Using scan tool, retrieve DTCs. If INTERNAL BASE/PREM SELECT FAILURE DTC resets, replace Body Control Module (BCM). If INTERNAL BASE/PREM SELECT FAILURE DTC does not reset, fault may be intermittent. Check related wiring and connectors for poor connections or damage to wiring harness. See WIRING DIAGRAMS  . Repair any problems found as necessary. If no problems are found, check if any Technical Service Bulletins (TSBs) apply to vehicle. If no TSBs apply, test is complete.