NUMBER: 21-022-17 GROUP: 21 – Transmission and Transfer Case DATE: May 31, 2017 THIS BULLETIN SUPERSEDES SERVICE BULLETIN 21-016-16 REV. A DATED OCTOBER 28, 2016, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES AN ADDITIONAL DIAGNOSTIC TROUBLE CODE (DTC), FAILURE STATEMENT AND LOP. FOR HELP WITH USING wiTECH FOR ECU FLASH … Read more
NUMBER: 21-018-17 REV. C GROUP: 21 – Transmission and Transfer Case DATE: December 15, 2017 THIS BULLETIN SUPERSEDES SERVICE BULLETIN 21-018-17 REV. B, DATED AUGUST 11, 2017, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES ADDING A RRT STATEMENT, REPAIR PROCEDURE STEP, INSPECTION LOP AND UPDATED FAILURE CODE STATEMENT. **THIS … Read more
NUMBER: 21-010-14 GROUP: Transmission and Transfer Case DATE: April 01, 2014 SUBJECT: Transmission Torque Management Enhancements While in Reverse OVERVIEW: This bulletin involves replacing the transmission control module with a revised part. MODELS: 2013 WK Grand Cherokee SRT8 – Australia Market Only NOTE: This bulletin applies to SRT8 vehicles sold in … Read more
NUMBER: 21-032-15 REV. A GROUP: Transmission and Transfer Case DATE: July 15, 2015 THIS BULLETIN SUPERSEDES SERVICE BULLETIN 21-032-15, DATED MAY 14, 2015, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE ADDITIONAL SYMPTOMS/CONDITIONS. HELP USING THE wiTECH DIAGNOSTIC APPLICATION FOR FLASHING A TCM IS AVAILABLE BY SELECTING “HELP” … Read more
NUMBER: 21-031-15 GROUP: Transmission and Transfer Case DATE: May 09, 2015 HELP USING THE wiTECH DIAGNOSTIC APPLICATION FOR FLASHING AN ECU IS AVAILABLE BY SELECTING “HELP” THEN “HELP CONTENTS” AT THE TOP OF THE wiTECH DIAGNOSTIC APPLICATION WINDOW. THE wiTECH SOFTWARE LEVEL MUST BE AT 15.04 OR HIGHER TO PERFORM THIS PROCEDURE. SUBJECT: … Read more