Service bulletin 21-015-14
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10139646 |
| Published by NHTSA | 2018-06-11 |
| Manufacturer's number | 21-015-14 |
| Manufacturer's date | 2014-04-17 |
| NHTSA component | 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 customer may indicate that they experience a harsh 2 - 1 downshift.
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
| RAM 3500 | 2014 |
|---|---|
| RAM 4500 | 2014 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2017659 | 2017-12-21. Powertrain |
|---|---|
| 17V821000 | 2017-12-20. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT |
| 2015204 | 2015-05-14. Powertrain |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 102307 | 2025-01-06. Service bulletin. GEAR - REACTION SUN |
|---|---|
| 102387 | 2025-01-04. Service bulletin. SEAL - OUTPUT SHAFT |
| 102389 | 2025-01-04. Service bulletin. SEAL - OUTPUT SHAFT |
| 101232 | 2024-11-07. Service bulletin. Plate - Planetary |
| 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. |
| 1805314 | 2023-01-17. Service bulletin. 6.7L Diagnostic And System Improvements |
| 1805314a | 2023-01-17. Service bulletin. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. They are as follows:Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: P0201 - P0206 - Fuel Injector X Circuit Open Fault Codes. U110E - Lost Ambient Temperature Message. P049D - EGR Control Position Exceeding Learning Limit. P226C - Turgocharger Boost Control ?A? Slow Response.The Following DTC Has Been Changed From A Two Trip Fault To One Trip Fault: U1A24 - Lost Communication With Ammonia Sensor.Improvements To Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect Is Present |
| 1800214 | 2023-01-17. Service bulletin. Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM/PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo Diesel.Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: P0201 - P0206 - Fuel Injector X Circuit/Open Fault Codes. |
| 1802514 | 2023-01-17. Service bulletin. Flash: Powertrain System Improvements/Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. These enhancements are listed by vehicle application.DS vehicles equipped with a 3.6L engine (sales code ERB). Enhanced Automatic Oil Change Indicator(EAOCI) system improvements to switch to a severe duty cycle algorithm anytime the PCM is replaced to ensure the customer receives a timely oil change required message. Corrected a generic scan tool display issue regarding Mode 6 data accuracy.DS vehicles equipped with a 5.7L engine (sales code EZH). Charging system voltage regulator control improvements. System improvements to prevent Malfunction Indicator Lamp (MIL) illumination with a Diagnostic Trouble Code (DTC) P0300 - Multiple Cylinder Misfire when using a block heater in ambient temperatures greater than -20°F (-29°C). Enhanced Automatic Oil Change Indicator(EAOCI) system improvements to switch to a severe duty cycle algorithm anytime the PCM is replaced to ensure the customer receives a timely oil change required message. Corrected a generic scan tool display issue regarding Mode 6 data accuracy.DJ, DD, and D2 vehicles equipped with a 5.7L engine (sales code EZC) Transmission torque management enhancement when shifting from drive to reverse. |
| 2101514 | 2023-01-17. Service bulletin. Transmission Shift Enhancements |