NHTSA Campaign Number: 18V739
Manufacturer Chrysler (FCA US LLC)
Components POWER TRAIN
Potential Number of Units Affected 86,053
Incorrect Transmission Calibration Causes Stall
A vehicle stall can increase the risk of crash.
Summary
Chrysler (FCA US LLC) is recalling certain 2019 Jeep Cherokee vehicles equipped with 2.4L engines. Improper transmission calibration may result in a stall.
Remedy
Chrysler will notify owners, and dealers will re-flash the transmission controller with a new calibration, free of charge. The recall is expected to begin December 08, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is UA9.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Check if your Vehicle has a Recall
October 2018
Dealer Service Instructions for:
Safety Recall UA9 / NHTSA 18V-739 Reprogram Powertrain Control Module
Remedy Available
| 2019 | (KL) | Jeep Cherokee |
NOTE: This recall applies only to the above vehicles equipped with a 2.4L engine (Sales Code EDE) built from October 01, 2017 through October 15, 2018 (MDH 100114 through 101515).
| IMPORTANT: Some of the involved vehicles may be in dealer new vehicle inventory. Federal law requires you to complete this recall service on these vehicles before retail delivery. Dealers should also consider this requirement to apply to used vehicle inventory and should perform this recall on vehicles in for service. Involved vehicles can be determined by using the VIP inquiry process. |
Subject
The Transmission Control Module (TCM) on about 86,000 of the above vehicles may have been built with a transmission calibration that did not properly coordinate various aspects of transmission operation during deceleration, leading to the risk for a stall. An engine stall while driving can cause a vehicle crash without prior warning.
Repair
Inspect the software level of the Powertrain Control Module (PCM) and if necessary, reprogram the PCM. Inspect the software level of the Transmission Control Module (TCM) and if necessary, reprogram the TCM.
Parts Information
No parts are required to perform this service procedure.
Parts Return
No parts return required for this campaign.
Special Tools
The following special tools are required to perform this repair:
|
wiTECH micro pod II |
|
Laptop Computer |
|
wiTECH Software |
Service Procedure
NOTE: The wiTECH scan tool must be used to perform this recall. The wiTECH software is required to be at the latest release level before performing this procedure. If the reprogramming flash for the PCM or TCM is aborted or interrupted, repeat the procedure.
CAUTION: For 2.4L engine both the PCM and TCM software must be updated during this procedure. Failure to do so may result in undesirable transmission shift quality. First the PCM must be reprogrammed; second the TCM must be programmed.
- Open the hood. Install a battery charger
and verify that the charging rate provides 13.0 to 13.5 volts. Do not allow the charger to time out during the flash process. Set the battery charger timer (if so equipped) to continuous charge.
NOTE: Use an accurate stand-alone voltmeter. The battery charger volt meter may not be sufficiently accurate. Voltages outside of the specified range will cause an unsuccessful flash. If voltage reading is too high, apply an electrical load by activating the park or headlamps and/or HVAC blower motor to lower the voltage.
- Connect the wiTECH micro pod II to the vehicle data link connector.
- Place the ignition in the “RUN” position.
- Open the wiTECH 2.0 website.
- Enter your “User id” and “Password” and your “Dealer Code”, then select “Sign In” at the bottom of the screen. Click “Accept”.
- From the “Vehicle Selection” screen, select the vehicle to be updated.
- From the “Action Items” screen, select the “Topology” tab.
SPECIAL NOTE: The “PCM” icon may not have a lightning bolt displayed but must verify that no updates are available (Figure 1).
NOTE: The PCM must be at the latest software calibration level after completing this recall.
Figure 1 - Topology
- From the “Topology” tab, select the “PCM” module icon.
- From the “Flash” tab, compare the “Current Electronic Control Unit (ECU) Part Number” with the “New ECU Part Number” listed.
- If the “Current ECU part Number” is the same as the “New Part Number”, proceed to Step 15.
- If the “Current ECU part Number” is NOT the same as one of the “New Part Numbers”, continue with Step 10.
- From the PCM tab, select the latest PCM flash part number. Read the flash special instructions page. Select “OK” to continue.
- From the flash ECU agreement page, agree to terms by checking the box.
- Select “Flash ECU” and then follow the wiTECH screen instructions to complete the flash.
- Confirm the software is at the latest available calibration level.
- Click “View DTCs”, select “Clear All DTCs”, click “Continue” and then click “Close”.
- From the “Action Items” screen, select the “Topology” tab.
NOTE: The TCM must be at the latest software calibration level after completing this recall.
- From the “Topology” tab, select the “TCM” module icon.
- From the “Flash” tab, compare the “Current Electronic Control Unit (ECU) Part Number” with the “New ECU Part Number” listed.
- If the “Current ECU part Number” is the same as the “New Part Number”, proceed to Step 22.
- If the “Current ECU part Number” is NOT the same as the “New Part Number”, continue with Step 18.
- From the TCM tab, select the TCM flash part number. Read the flash special instructions page. Select “OK” to continue.
- From the flash ECU agreement page, agree to terms by checking the box.
- Select “Flash ECU” and then follow the wiTECH screen instructions to complete the flash.
- Confirm the software is at the latest available calibration level.
- Click “View DTCs”, select “Clear All DTCs”, click “Continue” and then click “Close”.
- Place the ignition in the “OFF” position and then remove the wiTECH micro pod II device from the vehicle.
- Remove the battery charger from the vehicle.
- Close the vehicle hood.
Completion Reporting and Reimbursement
Claims for vehicles that have been serviced must be submitted on the DealerCONNECT Claim Entry Screen located on the Service tab. Claims paid will be used by FCA to record recall service completions and provide dealer payments.
Use one of the following labor operation numbers and time allowances:
| Labor Operation Number |
Time Allowance |
|
|---|---|---|
| Inspect PCM and TCM Software Level | 18-UA-91-81 | 0.2 hours |
| Inspect and Reprogram PCM Only | 18-UA-91-82 | 0.3 hours |
| Inspect and Reprogram TCM Only | 18-UA-91-83 | 0.3 hours |
| Inspect and Reprogram PCM and TCM | 18-UA-91-84 | 0.4 hours |
NOTE: See the Warranty Administration Manual, Recall Claim Processing Section, for complete recall claim processing instructions.
Dealer Notification
To view this notification on DealerCONNECT, select “Global Recall System” on the Service tab, then click on the description of this notification.
Owner Notification and Service Scheduling
All involved vehicle owners known to FCA are being notified of the service requirement by first class mail. They are requested to schedule appointments for this service with their dealers. A generic copy of the owner letter is attached.
Vehicle Lists, Global Recall System, VIP and Dealer Follow Up
All involved vehicles have been entered into the DealerCONNECT Global Recall System (GRS) and Vehicle Information Plus (VIP) for dealer inquiry as needed.
GRS provides involved dealers with an updated VIN list of their incomplete vehicles. The owner’s name, address and phone number are listed if known. Completed vehicles are removed from GRS within several days of repair claim submission.
To use this system, click on the “Service” tab and then click on “Global Recall System.” Your dealer’s VIN list for each recall displayed can be sorted by: those vehicles that were unsold at recall launch, those with a phone number, city, zip code, or VIN sequence.
Dealers must perform this repair on all unsold vehicles before retail delivery. Dealers should also use the VIN list to follow up with all owners to schedule appointments for this repair.
Recall VIN lists may contain confidential, restricted owner name and address information that was obtained from the Department of Motor Vehicles of various states. Use of this information is permitted for this recall only and is strictly prohibited from all other use.
Additional Information
If you have any questions or need assistance in completing this action, please contact your Service and Parts District Manager.
Customer Services / Field Operations
FCA US LLC
Safety Recall UA9 / NHTSA 18V-739
Reprogram Powertrain Control Module
October 2018
https://static.nhtsa.gov/odi/rcl/2018/RCRIT-18V739-6349.pdf
Recall Acknowledgement
October 31, 2018
https://static.nhtsa.gov/odi/rcl/2018/RCAK-18V739-6178.pdf
Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=18V739&docType=RCL
Chrysler J2534 Application Overview
Flash Availability - J2534/Pass Thru Device
Vehicle to Diagnostic Tool Reference Chart
Chrysler Recommended J2534 Devices
For Chrysler recommended J2534 device, see below table.
| J2534 Device | Firmware Version |
| CTC Vehicle Box * | 1.9 |
| UCAN 2 | 1.0 |
| Blue Streak -2534 Global Programmer | 2.10 |
| Actia I+ME Passthru | 2.07 |
* Chrysler recommends the CTC Vehicle Box Device for Chrysler SCI ECU reprogramming. SCI reprogramming is used on most PCMs and TCMs prior to the introduction of CAN bus vehicles which began in 2004 (Durango).
Compatible J2534 Devices
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- SPECIAL FUCTIONS: The diagnostic scan tool provides the special functions that complete repairs including Injector Quantity Adjustment, DPF Regeneration, Adaptations, Calibrations, Maintenance Resets.
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- WIDE VEHICLE COVERAGE: Extensive vehicle coverage for more than 80 US, Asian and European commercial vehicles and industrial machine brands.
- The Autel Maxisys MS908CV is especially made for working on Heavy Duty vehicles. It contains a whole set of heavy duty vehicle connectors and provides access to all the commonly performed service functions: Oil Reset, EPB, Brake Bleeding, DPF & SCR, Immo & keys, Injector Throttle and other regular maintenance functions
- The complete diagnostic tool kit includes a compact sized MaxiFlash Elite which performs J2534 and J2534-2 pass-thru programming and provides BT VCI communication between the vehicle and the MaxiSys CV tablet.
- The diagnostic scan tool provides the special functions that complete repairs including Injector Quantity Adjustment, DPF Regeneration, Adaptations, Calibrations, Maintenance Resets.
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- J2534 ECU Programming: The diagnostic tool comes with a J2534 ECU programming tool (also used as a VCI box) that is a SAE J2534-1 & -2 compliant pass thru reprogramming interface device. Using the updated OEM software, it is capable of helping BMW and Benz users replace the existing software/firmware in the Electronic Control Units (ECU), program new ECUs and fix software-controlled drivability issues and emission issues.
- All System Diagnostics: Simply accessing the diagnostic modes via AutoVin or Control Unit, and you're able to perform diagnosis over all the systems on the vehicle's ECU in order to locate fault systems and retrieve DTCs.
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Last update on 2019-07-13 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2019-07-13 / Affiliate links / Images from Amazon Product Advertising API
