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Service bulletin 21-028-14

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 id10139742
Published by NHTSA2018-06-11
Manufacturer's number21-028-14
Manufacturer's date2014-09-17
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

Flash: Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following Transmission Control Module (TCM) calibration improvements are available for vehicles equipped with WA580 Automatic Transmission (Sales Code DGJ) and are broken down per engine application.3.6L Engine Hanging in gear during HOT ambient temperature conditions and high engine loads. Excessive pedal needed to downshift in high altitudes (i.e. passing). Poor shift quality, or high transmission temperatures during track or sport driving.5.7L Engine Hanging in gear at high engine speeds during aggressive driving. Gear shift point enhancements during high load or race track driving. Excessive pedal needed to downshift in high altitudes (i.e. passing). Poor shift quality or high transmission temperatures during track or sport driving. Improved acceleration response from speeds greater than 36 Mph (58 Kph) (Japan Market Only). Bump sensation felt during deceleration or braking.6.4L Engine Bump sensation felt during deceleration or braking. Inconsistent downshift during Wide Open Throttle (WOT) accelerations at highway speeds (i.e. passing). Transmission enhancements to improve acceleration while in reverse going uphill on steep grades.3.0L Engine (LX Only) Erratic excessive shifting during low speed, light pedal driving.

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
CHRYSLER 3002013
DODGE CHARGER2013

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

Recalls for the same vehicles and component
20173412017-07-10. Electrical
17V4350002017-07-10. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
16V7390002016-10-13. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
20165002016-10-12. Electrical
20161842016-04-26. Powertrain
16V2400002016-04-25. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20144462014-10-09. Electrical
14V6340002014-10-08. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
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
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.
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.
08152232023-08-21. Service bulletin. Fuel Pump Connector Replacement The technician may experience a crank/no start after the fuel pump module was replaced. This bulletin involves replacing the fuel pump connector harness (pigtail) when replacing the fuel pump module.
21041142023-01-17. Service bulletin. Convergence Telematics Module (CTM) Software Enhancements This bulletin involves updating the Convergence Telematics Module (CTM) software. The customer may notice the steering wheel controls and USB functionality may not operate properly after the ignition is cycled.
90030812023-01-17. Service bulletin. Dielectric Grease This product is no longer approved for use on ignition coil and spark plug boots. Current plug boot material(silicone) is not compatible with this grease and can cause deterioration over time.
24002142023-01-17. Service bulletin. Setting Mode Is Selected And Headlamps Always Stay On
21012142023-01-17. Service bulletin. Transmission Shift Enhancements - Adaptation Drive Learn Procedure
S17090000102023-01-09. Service bulletin. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. Upon investigation, it may be found that there is excessive camshaft lobe wear/lifter wear (roller failure) on one or more cam lobes and that camshaft/lifter replacement is necessary.
V512022-12-19. Service bulletin. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module