Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Jeep >> 2012 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Liftgate Module (PLGM) - Electrical Diagnostics >> DTC Troubleshooting >> B1978-00-Power Liftgate Close Direction - Sector Switch Performance >> Possible Causes

Possible Causes

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