Z48 – HCU/ABS Module – 2018-2019 Jeep Grand Cherokee & Dodge Durango

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June 9, 2022 NHTSA CAMPAIGN NUMBER: 22V426000

Vehicle Rollaway Due to ABS Malfunction

A vehicle that starts and shifts out of Park without applying the brake pedal can result in vehicle rollaway, increasing the risk of a crash without prior warning and/or injury to others outside of the vehicle.

 

NHTSA Campaign Number: 22V426

Manufacturer Chrysler (FCA US, LLC)

Components SERVICE BRAKES, HYDRAULIC

Potential Number of Units Affected 270,904

 

Summary

Chrysler (FCA US, LLC) is recalling certain 2018-2019 Jeep Grand Cherokee and Dodge Durango vehicles. A malfunction in the antilock-brake system (ABS) module may illuminate the brake lights, and allow the vehicle to start and shift out of Park without the brake pedal being applied.

 

Remedy

The remedy includes updated HCU/ABS module software that prevents the HCU/ABS module from falsely reading pressure in the primary circuit. FCA has decided to do a two-Phase Campaign remedy schedule. Phase 1 began November 17, 2022. Phase 2 begin date has not been determined yet. Interim owner notification letters explaining the safety risk were mailed July 28, 2020. Owner notification letters were mailed on November 29, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC’s number for this recall is Z48.

 

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 – Z48

FCA US LLC (FCA US) has announced a safety recall on certain 2018 and 2019 Model Year (WK) Jeep® Grand Cherokee and (WD) Dodge Durango vehicles.

 

REASON FOR THIS SAFETY RECALL

Some of the above vehicles may have been built with a Hydraulic Control Unit (HCU/ABS) Anti-lock Brake System module that falsely reads pressure in the primary circuit. An HCU/ABS module that falsely reads pressure in the primary circuit may illuminate the brake lights, as well as allows the vehicle to start and shift out of park without the brake pedal being depressed. This condition can result in unintended vehicle movement and cause a vehicle crash without prior warning and/or injury to others outside the vehicle.

 

SERVICE ACTION

FCA US will conduct a voluntary safety recall on all affected vehicles. The remedy for this condition is currently under development. Dealers will be notified when a remedy for this safety recall becomes available by way of established communication methods.

 


Revision (1) December 2022

Dealer Service Instructions for:

Safety Recall Z48 / NHTSA 22V-426 Anti-Lock Brake Module Software

NOTE: Remedy now available for all involved vehicles.

 

Remedy Available

2018 – 2019 (WK) Jeep Grand Cherokee
(WD) Dodge Durango

 

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 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.

 

Subject

Anti-lock Brake System module on about 206,500 of the above vehicles may have been built with a Hydraulic Control Unit (HCU/ABS) Anti-lock Brake System module that falsely reads pressure in the primary circuit. An HCU/ABS module that falsely reads pressure in the primary circuit may illuminate the brake lights, as well as allows the vehicle to start and shift out of park without the brake pedal being depressed. This condition can result in unintended vehicle movement and cause a vehicle crash without prior warning and/or injury to others outside the vehicle.

 

Repair

Reprogram the ABS Control Module with the latest software level.

 

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:

➢ NPN wiTECH MicroPod II
➢ NPN Laptop Computer
➢ NPN wiTECH Software

 

Service Procedure

NOTE: The wiTECH scan tool must be used to perform this Safety Recall.  If the Antilock Brake System (ABS) Module is aborted or interrupted during reprogramming, it must be restarted. The ABS software must be at the latest software calibration level after completing this Safety Recall.

 

  1. Open the hood and install a battery charger. 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 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” and “Password” and your “Dealer Code”, then select “Sign In” at the bottom of the screen. Click “Accept”.

 

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

 

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

 

  1. From the “Topology” tab, select the “ABS” module icon.

 

  1. 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 14.
    • If the “Current ECU part Number” is NOT the same as the “New Part Number”, continue with Step 10.

 

  1. From the ABS tab, select the latest ABS flash part number. Read the flash special instructions page.  Select “OK” to continue.

 

  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. Confirm the software is at the latest available calibration level.

 

  1. Click “View DTCs”, select “Clear All DTCs”, click “Continue” and then click “Close”.

 

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

 

  1. Remove the battery charger from the vehicle.

 

  1. Close the vehicle hood.

 

  1. Return the vehicle to the customer.

 


Chronology :

  • On October 5, 2021, the FCA US LLC (“FCA US”) Technical Safety and Regulatory Compliance (“TSRC”) organization opened an investigation based on an increase in warranty claims on some Jeep Grand Cherokee vehicles of customers experiencing the brake lights staying on.
  • From October 2021, to January 2022, FCA US TSRC reviewed and analyzed warranty records, and determined that Dodge Durango vehicles were also experiencing the brake lights staying on.
  • From January 2022, to May 2022, FCA US TSRC analyzed vehicle records, met with FCA US engineering to investigate the issue and the vehicles involved, and determined the suspect population of vehicles affected.
  • As of May 31, 2022, FCA US has identified 150 customer assistance records, 216 warranty claims, 29 field reports potentially relating to this issue for all markets with dates of receipt ranging from November 11, 2019 to May 24, 2022.
  • As of May 31, 2022, FCA US is not aware of any accidents or injuries potentially relating to this issue for all markets.
  • On June 2, 2022, FCA US determined, through the Vehicle Regulations Committee, to conduct a voluntary safety recall of the affected vehicles.

 


4 Affected Products

Vehicles

MAKE MODEL YEAR
DODGE DURANGO 2018-2019
JEEP GRAND CHEROKEE 2018-2019

 


18 Associated Documents

Recall Acknowledgement

RCAK-22V426-7061.pdf 645.259KB

RCAK-22V426-7061

 


Manufacturer Notices(to Dealers,etc) – NSRAC Initial re Anti-lock Brake System

RCMN-22V426-3015.pdf 49.517KB

RCMN-22V426-3015

 


Defect Notice 573 Report

RCLRPT-22V426-8996.PDF 215.715KB

RCLRPT-22V426-8996

 


Manufacturer Notices(to Dealers,etc) – NSRAC Final re FCA US LLC (FCA US) has announced a safety recall on certain 2018 and 2019 Model Year (WK) Jeep® Grand Cherokee and (WD) Dodge Durango vehicles

RCMN-22V426-8227.pdf 50.598KB

RCMN-22V426-8227

 


ISSUED Interim Owner Notification Letter(Part 577) – NSRAC re new recall

RIONL-22V426-9292.pdf 128.795KB

RIONL-22V426-9292

 


Manufacturer Notices(to Dealers,etc)

RCMN-22V426-1967.pdf 164.617KB

RCMN-22V426-1967

 


Recall 573 Report – 9/8/22

RCLRPT-22V426-2427.PDF 215.687KB

RCLRPT-22V426-2427

 


Recall 573 Report – 9/8/22

RCLRPT-22V426-4275.PDF 215.687KB

RCLRPT-22V426-4275

 


Remedy Instructions and TSB

RCRIT-22V426-9290.pdf 320.716KB

RCRIT-22V426-9290

 


Recall 573 Report – 11/15/22

RCLRPT-22V426-1558.PDF 215.865KB

RCLRPT-22V426-1558

 


ISSUED Owner Notification Letter(Part 577)

RCONL-22V426-5693.pdf 176.843KB

RCONL-22V426-5693

 


Recall 573 Report – 12/9/22

RCLRPT-22V426-9454.PDF 215.953KB

RCLRPT-22V426-9454

 


Remedy Instructions and TSB

RCRIT-22V426-3304.pdf 325.224KB

RCRIT-22V426-3304

 


Manufacturer Notices(to Dealers,etc) – RECALL Z48 CUSTOMER COMMUNICATIONS – VIN VIP RI DC Mail – VIN removals

RCMN-22V426-8496.pdf 119.044KB

RCMN-22V426-8496

 


ISSUED Owner Notification Letter(Part 577)

RCONL-22V426-8661.pdf 39.253KB

RCONL-22V426-8661

 


Recall Quarterly Report #1, 2022-4

RCLQRT-22V426-2648.PDF 211.16KB

RCLQRT-22V426-2648

 


ISSUED Renotification Notice

RCRN-22V426-3021.pdf 102.509KB

RCRN-22V426-3021

 


Recall Quarterly Report #2, 2023-1

RCLQRT-22V426-8771.PDF 211.266KB

RCLQRT-22V426-8771

 


Latest Recalls Documents

For the Latest and Most Recent Recalls Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=22V426&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

Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light CarDAQ-Plus 3 All Makes J2534 Reprogramming Tool
Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool
Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light CarDAQ-Plus
Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light CarDAQ-M
Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light VSI J2534 ECU Reprogrammer
Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light

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

Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light

RAP2 OEM J2534 Remote Reprogramming Tool

Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light

BOSCH Automotive Tools MTECH2 Mastertech II J2534 VCI

Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light

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

Z48 - HCU/ABS Module - 2018-2019 Jeep Grand Cherokee & Dodge Durango | small light

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 2024-02-17 / Affiliate links / Images from Amazon Product Advertising API

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