Delayed Upshifts

NUMBER: 21-023-16 GROUP: Transmission and Transfer Case DATE: June 23, 2016   THIS BULLETIN SUPERSEDES SERVICE BULLETIN 21-063-15, DATED NOVEMBER 11, 2015, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE ADDITIONAL REVISED BUILD DATES, SYMPTOM/CONDITION IMPROVEMENT AND LOP. FOR HELP WITH USING wiTECH FOR ECU FLASH REPROGRAMMING, CLICK ON THE APPLICATION’S “HELP” … Read more

NUMBER: 21-026-16 GROUP: Transmission and Transfer Case DATE: July 20, 2016   THIS BULLETIN SUPERSEDES SERVICE BULLETIN 21-062-15, DATED NOVEMBER 11, 2015, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE ADDITIONAL REVISED BUILD DATES, ADDITIONAL ENGINE FOR LA VEHICLE, SYMPTOM/CONDITION IMPROVEMENT AND LOP. FOR HELP WITH USING wiTECH FOR ECU FLASH REPROGRAMMING, CLICK … Read more