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Symptom: INCOMPLETE POWER CLOSE - FULL OPEN SWITCH FAILURE/ When Monitored and Set Condition: INCOMPLETE POWER CLOSE - FULL OPEN SWITCH FAILURE/NON ENGAGE- When Monitored: Whenever the power liftgate is closing. Set Condition: The Full Open Switch was detected as closed before 200 hall effect pulses were counted since the start of the close operation. May be triggered by an intermittent full POSSIBLE CAUSES DTC PRESENT OBSTRUCTION OR STICKING FULL OPEN SWITCH FULL OPEN SWITCH SHORT TO GROUND POWER LIFTGATE MOTOR ASSEMBLY - FULL OPEN SWITCH TEST ACTION APPLICABILITY 1 With the DRBIII t, record and erase DTC’s. Turn the ignition off, wait 10 seconds, then turn the ignition on. t, read ACTIVE DTCs. Does the DRBIII t display INCOMPLETE POWER CLOSE - FULL OPEN SWITCH FAILURE? All Yes → Go To 2 No → Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition. Operate the 2 Examine the liftgate for proper fit and alignment, foreign material in the drive unit t in Inputs/Outputs, read the FULL OPEN SWITCH state. Manually operate the liftgate while monitoring the DRBIII t. Does the switch status change smoothly as the liftgate is pulled down from the full All Yes → Go To 3 No → Replace the Full Open Switch in accordance with the Service Information. 973 POWER DOORS - LIFTGATE |