LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Grand Cherokee Laredo, AWD
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Repair and Diagnosis
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Power Liftgate Module (PLGM) - Electrical Diagnostics
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DTC Troubleshooting
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B1977-00-Power Liftgate Open Direction - Sector Switch Performance
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Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
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