Flash: Drivetrain Control Module (DTCM) Update This bulletin involves reprogramming the DTCM with the...
Ram technical service bulletin 08-094-20 for 2016-2020 Ram 1500, 2016-2020 Ram 2500 and 2016-2020 Ram 3500 and others.
- Bulletin number
- 08-094-20
- Component
- Electrical system
- Summary
- Flash: Drivetrain Control Module (DTCM) Update This bulletin involves reprogramming the DTCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set::If the customer has any concerns with the transfer case or if the tech performs any repairs on the transfer case, the software must be updated.C140E - Transfer Case Motor Blocked. If DTC C140E is present, follow normal diagnostic procedures before updating the DTCM.In addition the customer may describe the following:The ?Service 4WD? message/fault is displayed in the Instrument Panel Cluster (IPC). Transfer case shift fork tabs broken during range shift. Noisy (clunking/ratcheting) transfer case range shifts. Failure to complete transfer case range shifts. The following software enhancement is available:This update will help reduce premature transfer case failure.
Owners of these vehicles have filed 1,905 complaints in the electrical category.
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