22B – Unintended Deactivation of Traction Control – 2024 Chrysler Pacifica & Voyager

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March 28, 2024 NHTSA CAMPAIGN NUMBER: 24V240000

Unintended Deactivation of Traction Control

An inactive traction control system can increase the risk of a crash.

 

NHTSA Campaign Number: 24V240

Manufacturer Chrysler (FCA US, LLC) (Stellantis)

Components TRACTION CONTROL SYSTEM

Potential Number of Units Affected 26,776

 

Summary

Chrysler (FCA US, LLC) is recalling certain 2024 Pacifica and Voyager vehicles. The traction control system (TCS) does not function when cruise control is activated.

 

Remedy

Dealers will update the TCS software, free of charge. Owner notification letters are expected to be mailed May 17, 2024. Owners may contact FCA customer service at 1-800-853-1403. FCA’s number for this recall is 22B.

 

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.nhtsa.gov.

 

Check if your Vehicle has a Recall

 


New Safety Recall Advanced Communication – 22B

FCA US LLC (FCA US) has announced a safety recall on certain 2024 model year (RU) Chrysler Pacifica and Chrysler Voyager vehicles.

 

REASON FOR THIS SAFETY RECALL

Some of the above vehicles may experience a loss of traction control while in cruise control. The Traction Control System (TCS) uses the accelerator pedal position, instead of the calculated throttle position, as an input for system activation. When cruise control is activated, TCS does not function in vehicles with the suspect throttle calibration, because the accelerator pedal is not being depressed. TCS being inactive while cruise control is being used can allow wheel slip in certain low traction conditions, which can cause a vehicle crash without prior warning.

 

SERVICE ACTION

FCA US will conduct a voluntary safety recall to update TCS software. The remedy for this condition is not currently available. Dealers will be notified of the launch of this safety recall by way of established communication methods. This recall is estimated to launch in 2nd Quarter of 2024.

 


Traction Control During Cruise Control

Reference: 22B / NHTSA 24V- 240

Remedy available for

2024 model year (RU) Chrysler Pacifica and Chrysler Voyager

Template Version 1.0

Revision Edition Detail
0 April 2024 Initial Version.

 

SYMPTOM DESCRIPTION

About 26,776 of the above vehicles may experience a loss of traction control while in cruise control. The Traction Control System (TCS) incorrectly uses the accelerator pedal position, instead of the calculated throttle position, as an input for system activation. TCS being inactive while cruise control is being used can allow wheel slip in certain low traction conditions, which can cause a vehicle crash without prior warning.

 

SCOPE

NOTE: Some vehicles above may have been identified as not involved in this recall and therefore have been excluded from this recall.

 

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. Violation of this requirement by a dealer could result in a civil penalty of up to $27,168 per vehicle.
  • Some of the involved vehicles may be in dealer used vehicle inventory. Dealers should complete this recall service on these vehicles before retail delivery.
  • Dealers should also perform this recall on vehicles in for service.

Involved vehicles can be determined by using the VIP inquiry process.

 

REPAIR TO BE PERFORMED

Software update to Antilock Brake System (ABS) control module to correct Traction Control System (TCS) implementation to allow TCS to view virtual accelerator pedal in cruise control scenarios.

 

ALTERNATE TRANSPORTATION

Dealers should attempt to minimize customer inconvenience by placing the owner in a loaner vehicle if the vehicle must be held overnight.

 

PARTS INFORMATION

No parts are required to perform this service procedure.

 

PARTS RETURN

No parts return required for this campaign.

 

SPECIAL TOOLS

Number Description
NPN wiTECH MicroPod IIeBay / MDP
NPN Laptop Computer
NPN wiTECH Software

 

OWNER NOTIFICATION / 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.

 

SERVICE PROCEDURE

Body Control Module (BCM) Software Update

 

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. Either the wiTECH MicroPod IIeBay or Mopar Diagnostic Pod (MDP) can be used for this ABS software update.

 

NOTE: If the reprogramming flash for the ABS is aborted or interrupted, repeat the procedure. The ABS software must be at the latest software calibration level after completing this recall.

 

  1. 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.

 

  1. Connect the wiTECH micro pod II or MDP to the vehicle data link connector.

 

  1. Place the ignition in the “RUN” position.

 

  1. Open the wiTECH 2.0 website.

 

  1. Enter your “User id” your “Password” and your “Dealer Code”, then select “Finish” at the bottom of the screen.

 

  1. Starting at the “Vehicle Selection” screen, select the vehicle to be updated.

 

  1. From the “Action Items” screen, select the “All Flashes” tab.

 

  1. Select “ABS” by clicking the arrow on the right side of the screen. Read the special flash instructions, then select “OK”.  Continue with Step 9.

 

  • If “ABS” is not displayed as one of the available flashes, the BCM software is already at the current software level and does not require updating. Proceed to Step 13.

 

  1. From the “Flash ECU Agreement” page, agree to terms by “Checking the Box”.

 

  1. Select “Flash ECU” and then follow the wiTECH screen instructions to complete the flash.

 

  1. Once the software is confirmed to be at the latest available calibration level, select “View DTCs”.

 

  1. Select the “Clear All DTCs” tab, then click “Clear All DTCs” and then select “Close”. It may be necessary to cycle the ignition to OFF then back to RUN to clear the codes.

 

NOTE: Upon completion of ABS flash reprogramming, an ABS initialization must be performed.

 

  1. On the Topology screen, select the “ABS Icon” then select “Misc Functions”.

 

  1. Select “ABS Initialization” then follow the screen prompts.

 

  1. Select the “Clear All DTCs” tab, then click “Clear All DTCs” and then select “Close”. It may be necessary to cycle the ignition to OFF then back to RUN to clear the codes.

 

  1. Place the ignition in the “OFF” position and then remove the wiTECH micro pod II / MDP device from the vehicle.

 

  1. Remove the battery charger from the vehicle.

 

  1. Close the engine compartment hood and return the vehicle to the customer or inventory.

 

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Chronology :

  • On February 8, 2024, FCA US LLC (“FCA US”) Technical Safety and Regulatory Compliance (“TSRC”) organization opened an investigation into some 2024 MY Chrysler Pacifica/Voyager vehicles potentially built with a suspect throttle calibration.
  • During February 2024, FCA US TSRC worked with engineering to understand software change history and vehicle behavior in certain conditions.
  • As of March 21, 2024, FCA US is not aware of any customer assistance records, warranty claims or field reports potentially related to this issue for all markets.
  • As of March 21, 2024, FCA US is not aware of any accidents or injuries potentially related to this issue for all markets.
  • On March 21, 2024, FCA US determined, through the Vehicle Regulations Committee, to conduct a voluntary safety recall of the affected vehicles.

 


2 Affected Products

Vehicles

MAKE MODEL YEAR
CHRYSLER PACIFICA 2024
CHRYSLER VOYAGER 2024

 


4 Associated Documents

Recall Acknowledgement

RCAK-24V240-1051.pdf 645.328KB

 


Defect Notice 573 Report

RCLRPT-24V240-9036.PDF 215.545KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-24V240-1255.pdf 51.381KB

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Remedy Instructions and TSB

RCRIT-24V240-9793.pdf 267.679KB

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Latest Recalls Documents

For the Latest and Most recent Recall Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V240&docType=RCL

 


 

Reprogramming

Chrysler J2534 Application Overview

 

DRB III Emulator

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

CarDAQ-Plus 3 All Makes J2534 Reprogramming Tool
CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool
CarDAQ-Plus
CarDAQ-M
VSI J2534 ECU Reprogrammer

Bosch Automotive Tools MTECH2 Mastertech II J2534 VCI with Wired/Wireless Capability for OEM Reprogramming and Diagnostics on GM, Ford, FCA, Nissan/Infiniti, Honda/Acura, and Toyota/Lexus Vehicles

RAP2 OEM J2534 Remote Reprogramming Tool

BOSCH Automotive Tools MTECH2 Mastertech II J2534 VCI

Autel MaxiFlash VCI Vehicle Communication Interface J2534 PassThru ECU Programming Device Bluetooth Connection Internet Update Support CAN FD, 4 CAN Channels, DoIP, D-PDU Works with PC or Autel MS909

GODIAG J2534

 


Click on the link below to:

Download J2534 Application

(Install the wiTECH 2.0 J2534 Application on your computer)

Download the Setup Utility

(Configure your microPod/MDP device)

Launch wiTECH 2.0

(Once subscription and users are assigned to a tool please follow this link to access wiTECH)

https://www.mopartsp.com/support

 


Chrysler J2534 Manual

wiTECH Software

www.techauthority.com

 


 

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Last update on 2024-04-17 / Affiliate links / Images from Amazon Product Advertising API

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