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Home >> Jeep >> 2025 >> Grand Cherokee Summit >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Electronic Shift Module (ESM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0929 Gear Shift Lock Solenoid/Actuator Control Circuit 1 Performance >> Possible Causes

Possible Causes

Possible Causes
ELECTRONIC SHIFT MODULE (ESM) INTERNAL ERROR

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