KC-398
Service Bulletin Details
Public Details for: KC-398
Chassis equipped with an amt-f (i-shift, mdrive) - idle drive function activates when vehicle is reversing/backing up at low speed; information and repair - build date beginning of production 2017 to february 2018
Models from 2019
Models from 2018
1/31/22, 2:40 PM Article Chassis Equipped With An AMT-F (I-Shift, mDrive) Idle Drive Function Activates When Vehicle Is Reversing/Backing Up At Low Speed; Information And Repair - Build Date Beginning Of Production 2017 To February 2018 Internal Content Overview A new feature has been developed for the AMT-F gearboxes that allows the idle drive function to be turned off in reverse. This feature is available for US17 emissions (2018MY chassis) that have AMT-F gearboxes. Initial setting for Idle Drive in reverse is "ON". Repair If the chassis falls into the applicable build date range: 1. Update the Transmission Electronic Control Unit ( TECU ) software. 2. Go into Parameter Programming. Locate parameter P1Q9C. - Set P1Q9C to "OFF". - Note: P1Q9C will only be present if the TECU has been properly programmed first. Tags k48661544 amt-f mack volvo ; Live UI https://volvo-trkna-prod1.pegacloud.net/prweb/PRAuth/app/VolvoKM_/iNPUIKpeinqPJi2G0hH930k43USdE1gb*/!TABTHREAD2?pyActivity=%40basec… 1/2 1/31/22, 2:40 PM Related links and attachments No links or attachments available Article Feedback Give feedback to help improve the content of this article ; Live UI https://volvo-trkna-prod1.pegacloud.net/prweb/PRAuth/app/VolvoKM_/iNPUIKpeinqPJi2G0hH930k43USdE1gb*/!TABTHREAD2?pyActivity=%40basec… 2/2