Service bulletin SB-21-014-13
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 | 10055415 |
| Published by NHTSA | 2014-05-20 |
| Manufacturer's number | SB-21-014-13 |
| Manufacturer's date | 2013-12-19 |
| NHTSA component | POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) |
NHTSA's summary
JEEP: TRANSMISSION CONTROL MODULE (TCM), ON SOME JEEPS, WITH NEW SOFTWARE ROBUSTNESS IMPROVEMENTS, EXPERIENCING INCONSISTENT AND/OR HARSH 1-2 OR 2-3 UPSHIFTS. MODEL 2014 CHEROKEE. *PE
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Transmission and driveline, Automatic transmission, Transmission control module
| JEEP CHEROKEE | 2014 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 20V343000 | 2020-06-11. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION |
|---|---|
| 19V447000 | 2019-06-13. POWER TRAIN:AUTOMATIC TRANSMISSION |
| 16V529000 | 2016-07-12. 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.
| S2325000007 | 2024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update. |
|---|---|
| S2325000007 | 2023-10-30. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update. |
| 1806014-1 | 2023-02-21. Service bulletin. Diagnostic And System Improvements |
| 2101814 | 2023-01-17. Service bulletin. Transmission Shift and Diagnostic Enhancements |
| V51 | 2022-12-19. Service bulletin. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module |
| 2101616 | 2022-10-24. Service bulletin. Transmission Diagnostic And Shift Enhancements |
| 74595 | 2022-10-17. Service bulletin. Warranty Bulletin D-21-07 (X89) Power Transfer Unit - 2014-2017 Jeep Cherokee (KL) |
| 1803114 | 2022-09-26. Service bulletin. Flash: MIL Illumination P1239, P0298- Engine Oil Temperature Too Low Or High, P0300 Multiple Cylinder Misfire, Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code has been set: P1239 - Engine Oil Temperature Too Low, set in cold ambient temperatures. P0298 - Engine Oil Temperature Too High, set in cold ambient temperatures. P0300 - Multiple Cylinder Misfire, may set at a 1-2 upshift above 6000 RPM. Possible rough idle when engaging Drive while in 4 LOW after a cold start .The following system improvements have also been included in this software release: Corrected a generic scan tool display issue regarding Mode 6 data accuracy. |
| W84 | 2022-09-26. Service bulletin. Customer Satisfaction Notification W84 Powertrain Software Update |
| 18-031-14 | 2022-08-29. Service bulletin. Flash: MIL Illumination P1239- Engine Oil Temperature Too Low. Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code has been set: ? P1239 - Engine Oil Temperature Too Low The following system improvements have also been included in this software release: ? Corrected a generic scan tool display issue regarding Mode 6 data accuracy |