Service bulletin 21-035-15
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 | 10148932 |
| Published by NHTSA | 2018-11-26 |
| Manufacturer's number | 21-035-15 |
| Manufacturer's date | 2015-05-27 |
| 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 experience one or more of the following: Grand Cherokee/Durango 3.6L Engine (Sales Code ERB) ? Erratic shifting complaints while driving up steep hills or towing during hot ambient temperature conditions. ? Transmission shifting does not meet customers expectation while towing a loaded trailer in high ambients (>32°C/90°F). ? Poor performance and/or poor powertrain response when trying to accelerate from speeds >58 kph (36 mph) - All Markets. ? Poor performance and/or poor powertrain response when trying to accelerate from speeds >48 kph (30 mph) - Japan/Taiwan/China vehicles only. ? Transmission shifts inconsistently (gear hunting) when driving up/down steep hills or when towing a trailer. Grand Cherokee 6.4L Engine (Sales Code ESG) ? Poor acceleration or performance above 113 kph (70 mph). ? Transmission shifting while accelerating from a stop does not meet customers expectation. ? Harsh shifting during acceleration with moderate accelerator pedal and then lifting off the accelerator pedal. ? Cannot accelerate up a steep incline or with a loaded trailer in reverse. Wrangler 3.6L Engine (Sales Code ERB) ? Erratic shifting complaints while driving up steep hills or towing during hot ambient temperature conditions. ? Hanging in gear (2nd Gear) when driving up steep hill or Towing (Rubicon ONLY). ? Transmission shifting does not meet customers expectation while towing a loaded trailer in high ambients (>32°C/90°F). ? Poor performance and/or poor powertrain response when trying to accelerate from speeds >48 kph (30 mph) - Japan/Taiwan/China vehicles only. ? Delayed Drive to Reverse shift engagement when the transfer case is in Low Range (4LO) - Rubicon Only. Wrangler 2.8L Engine (Sales Code ENS) Erratic while driving in Low Range (4LO). Transmission shifts in
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
| DODGE CHALLENGER | 2013 |
|---|---|
| DODGE DURANGO | 2013 |
| JEEP GRAND CHEROKEE | 2013 |
| JEEP WRANGLER | 2013 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 13V234000 | 2013-06-04. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 101232 | 2024-11-07. Service bulletin. Plate - Planetary |
|---|---|
| 1805114 | 2023-01-17. Service bulletin. Flash: J8 Mining Vehicle Speed Limiting This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of J8 Vehicles built as over-the-road units for non-reg BUX markets and sold to US-based mining operations with the intent of re-programming the diesel PCM to limit vehicle-speed in the mining environment. The discretion of which mining flash is to be used is left to the discretion of the operator. |
| 2101414 | 2023-01-17. Service bulletin. Transmission Shift Enhancements |
| 2101314 | 2023-01-17. Service bulletin. Transmission Oil Cooler Tube |
| 2101014 | 2023-01-17. Service bulletin. Transmission Torque Management Enhancements While in Reverse |
| 1802614 | 2023-01-17. Service bulletin. Powertrain System Improvements/Enhancements |
| 2101314-1 | 2023-01-17. Service bulletin. N28 Transmission Oil Cooler Tube Interim Repair |
| 2103515 | 2023-01-09. Service bulletin. Flash: Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. |
| 0801515 | 2023-01-09. Service bulletin. Flash: Gear Shift Indicator System Enhancements This bulletin involves reprogramming the Power Control Module (PCM) with new software. A small number of customers may experience improper gear shift point indications displayed in the EVIC if the paddle shift mode is selected on the steering wheel. |
| S1709000010 | 2023-01-09. 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. |