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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.

About U0402 on the 2017 Ram Promaster City: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: U0402 are shown. Show all

Bulletins, newest first
18064172022-10-24. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; POWER TRAIN. 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 DTCs has been set:U1424 - Implausible Engine Torque Signal Received. U0402 - Implausible Data Received From TCM. P1DD2-00 - Torque Request Signal From TCM Denied. P0128 - Thermostat Rationality. Enhancement also included:Improved calibrations for catalyst overtemp protection.
90037852017-11-03. Service bulletin. POWER TRAIN. Transmission If are working on a vehicle with a transmission concern that has DTC U0402 please call Jason LeBeau at (248) 613-7488 prior to working on the unit. If Jason cannot be reached within 15 minutes proceed with the repair.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.