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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Power Liftgate Module (PLGM) - Electrical Diagnostics >> DTC Troubleshooting >> B1978-Power Liftgate Close Direction - Sector Switch Performance >> Possible Causes

Possible Causes

Possible Causes 
BINDING LIFTGATE
LATCH NOT IN HOME POSITION
(Q79) SECTOR SWITCH SENSE CIRCUIT SHORT TO GROUND
(Q79) SECTOR SWITCH SENSE CIRCUIT SHORT TO THE (Q901) LOGIC GROUND
POWER LIFTGATE LATCH
POWER LIFTGATE MODULE