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Service bulletin 21-008-14

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10136993
Published by NHTSA2018-05-21
Manufacturer's number21-008-14
Manufacturer's date2014-03-08
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM

NHTSA's summary

Flash: Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The customer may indicate that they may have experienced any of the following: Poor heavy throttle downshift response Vehicle does not spend enough time in eighth gear

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Transmission and driveline

Vehicles listed
RAM 15002013

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20176592017-12-21. Powertrain
17V8210002017-12-20. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
20134342013-12-06. Powertrain
13V6100002013-12-06. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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1037742025-05-01. Service bulletin. LAMP - DOME
1012322024-11-07. Service bulletin. Plate - Planetary
91002262024-01-08. Service bulletin. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
91002262023-10-30. Service bulletin. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
18001142023-02-21. Service bulletin. Powertrain Diagnostic And System Enhancements
S1623000028 Rev.2023-02-13. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.