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Home >> Mercedes Benz >> 2019 >> Sprinter 3500XD Van Cargo, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 3232 ((Power Liftgate Module (PLGM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B1978-00 Power Liftgate Close Direction - Sector Switch Performance >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2020 Chrysler Voyager and 2020 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
BINDING LIFTGATE
LATCH NOT IN HOME POSITION
LOGIC GROUND CIRCUIT OPEN
SECTOR SWITCH SENSE CIRCUIT OPEN
SECTOR SWITCH SENSE CIRCUIT SHORTED TO VOLTAGE
SECTOR SWITCH SENSE CIRCUIT SHORTED TO GROUND
POWER LIFTGATE LATCH
POWER LIFTGATE MODULE (PLGM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.  Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .