Service bulletins for the 2017 Ram Promaster City
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
235 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission control module are shown. Show all
| 21-037-16 | 2017-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Transmission Drivability And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. This software update works in conjunction with the Powertrain Control Module (PCM) software update. The changes to the transmission software are necessary although the changes will not be noticed by the customer. |
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| 18-121-16 | 2017-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set. P0128 - Thermostat Rationality. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.