WenmarOpen by Wenmar Pro

Service bulletin 21-030-14 REV. A

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 id10139804
Published by NHTSA2018-06-11
Manufacturer's number21-030-14 REV. A
Manufacturer's date2014-10-24
NHTSA componentPOWER TRAIN

NHTSA's summary

845RE Transmission Quick Learn Procedure This bulletin provides information on how to perform the new scan tool based transmission Quick Learn procedure. This procedure is required after certain transmission repairs or to improve a customer's concern of poor shift quality. Customers may indicate that their transmission shift quality does not meet their expectations.

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

Transmission and driveline

Vehicles listed
CHRYSLER 300C2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
DODGE CHALLENGER2015
DODGE CHARGER2014, 2015
DODGE DURANGO2014, 2015
JEEP GRAND CHEROKEE2014, 2015
RAM 15002014, 2015

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

Recalls for the same vehicles and component
20182192018-05-01. Powertrain
18V2810002018-05-01. POWER TRAIN:DRIVELINE:DRIVESHAFT
20176592017-12-21. Powertrain
17V8210002017-12-20. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
20170812017-02-15. Powertrain
17V0970002017-02-14. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
20161842016-04-26. Powertrain
16V2400002016-04-25. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20154772015-10-16. Powertrain
15V6610002015-10-15. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

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
S26230000232026-04-15. Service bulletin. Power Liftgate Inoperative.
S2621000003 REV.A2026-03-18. Service bulletin. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
1012322024-11-07. Service bulletin. Plate - Planetary
21040142023-02-21. Service bulletin. 8HP70 Transmission Shift Enhancements
21039142023-02-21. Service bulletin. Transmission Shift Enhancements
21038142023-02-21. Service bulletin. 8HP70 SRT Transmission Shift Enhancements
21017142023-02-21. Service bulletin. Transmission Shift And Driveability Enhancements
18067142023-02-21. Service bulletin. MIL Illumination, P1CF3 Battery Temperature Sensor Out of Range Low
18063142023-02-21. Service bulletin. 5.7L Powertrain Diagnostic And System Improvements
0300114-12023-02-21. Service bulletin. Refer to service procedures outlined in CSN P39.