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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (8HP70 Automatic Transmission - DTCS P0219-00 To P1D92-00) >> DTC Troubleshooting >> P1B14-00-PARKBYWIRE Unintended Park Position >> Possible Causes

Possible Causes

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Possible Causes
PARK RELEASE SOLENOID
PARK HOLD SOLENOID
PARK HOLD SOLENOID WIRE HARNESS OR LEADFRAME
LOW LINE PRESSURE ON STARTUP
TRANSMISSION CONTROL MODULE (TCM)

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