Possible causes – Transmission Solenoid/Pressure Switch harness is open or shorted – Transmission Solenoid/Pressure Switch circuit poor electrical connection – Faulty Transmission Solenoid/Pressure Switch – Internal transmission damage – Faulty Engine Control Module (ECM) – Faulty Transmission Control Module (TCM) Tech description There is a factory service bulletin for the following Jeep models: 2003-2005 Jeep…