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Jeep
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1999
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Grand Cherokee 4WD L6-4.0L VIN S
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Relays and Modules - Computers and Control Systems
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Body Control Module
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Power Door Locks/RKE
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Liftgate Lock Fails to Lock/Unlock
Liftgate Lock Fails to Lock/Unlock
SYMPTOM
LIFTGATE LOCK FAILS TO LOCK/UNLOCK
POSSIBLE CAUSES
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Open liftgate lock motor
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Open door lock driver wire
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Open door unlock driver wire