NUMBER: 18-038-05 REV. A GROUP: Vehicle Performance DATE: December 16, 2005   SUBJECT: FLASH: Engine Start and Driveability At Altitude Or Brake Switch DTC P0504   OVERVIEW: This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software.   MODELS: 2005 – 2006 (KJ) Liberty ** 2006 (KJ) Cherokee **   NOTE: This ... Read more

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