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Home >> Jeep >> 2012 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Power Liftgate Module (PLGM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1977-00-Power Liftgate Open Direction - Sector Switch Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
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