Safety Recall Y79 Occupant Restraint Control Module – 2021 Jeep Grand Cherokee, 2022 Jeep Wagoneer, & Grand Wagoneer

November 10, 2021 NHTSA CAMPAIGN NUMBER: 21V873000

Disabled Air Bags

Disabled air bags can increase the risk of injury to occupants in a crash.

 

NHTSA Campaign Number: 21V873

Manufacturer ChryslereBay logo (FCA US, LLC)

Components AIR BAGS

Potential Number of Units Affected 99,255

 

Summary

ChryslereBay logo (FCA US, LLC) is recalling certain 2021 JeepeBay logo Grand Cherokee L, 2022 JeepeBay logo Wagoneer, and Grand Wagoneer vehicles. The Occupant Restraint Controller (ORC) may have incorrect software which can disable the driver, passenger, and knee air bags without warning.

 

Remedy

Dealers will reprogram the ORC, free of charge. Owner notification letters were mailed December 2, 2021. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC’s number for this recall is Y79.

 

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 – Y79

FCA US LLC (FCA US) has announced a safety recall on certain 2021 Model Year (WL) JeepeBay logo® Grand Cherokee and 2022 Model Year (WS) Wagoneer/Grand Wagoneer vehicles.

 

REASON FOR THIS SAFETY RECALL

Some of the above vehicles may have been built with incorrect Occupant Restraint Controller (ORC) module software. The airbag warning indicator may not illuminate to notify the operator of possible compromised airbag system functionality. If specific ORC internal faults are active, then a diagnostic trouble code (DTC) will not be set and the airbag warning indicator may not illuminate. The internal faults will disable deployment of both the driver and passenger airbag squib and knee airbags. Reduced occupant protection in the event of a crash may result in an increased risk of injury to motor vehicle occupants.

 

SERVICE ACTION

FCA US will conduct a voluntary safety recall to reprogram the ORC module with correct software. Dealers will be notified of the launch of this safety recall by way of established communication methods. This recall is estimated to launch in 4th Quarter of 2021.

 


Revision 2 December 2021

Dealer Service Instructions for:

Safety Recall Y79 / NHTSA 21V-873 Occupant Restraint Controller

 

NOTE: Added an additional step in the service procedure below (Step 2).

 

Remedy Available

2021(WL)JeepeBay logo Grand Cherokee
2022(WS)Wagoneer/Grand Wagoneer

 

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.  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 Occupant Restraint Controller (ORC) on about 102,837 of the above vehicles may have the incorrect software version. If specific ORC internal faults are active, then a diagnostic trouble code (DTC) will not be set and the airbag warning indicator may not illuminate. The internal faults will disable deployment of both the driver and passenger airbag squib (related to airbag venting post deployment) and knee airbags. Reduced occupant protection in the event of a crash may result in an increased risk of injury to motor vehicle occupants.

 

Repair

The ORC module on involved vehicles must be reprogrammed with new software.

 

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:

➢ NPNwiTECH Mopar Diagnostic Pod (MDP)
➢ NPNLaptop Computer
➢ NPNwiTECH Software

 

Service Procedure

Reprogramming the ORC Module Procedure

 

NOTE: The wiTECH scan tool must be used to perform this recall.  This procedure must be performed with the latest software release level.  If the 1. Open the hood.  Install a battery charger and verify that the charging rate  reprogramming flash for the ORC is aborted or interrupted, repeat the procedure. The ORC must be at the latest calibration level after completing this recall.

 

  1. Open the hood. Install a battery charger and verify that the charging rate provides 13.2 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. Turn the ignition to the “ON” position.

 

NOTE: The ignition MUST be in the “ON” position before connecting the MDP.

 

  1. Connect the wiTECH Mopar Diagnostic Pod (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” and “Password”, and then select “Finish” at the bottom of the screen.

 

  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” screen, click on the ORC icon.

 

  1. From the ORC” screen, select the “DTC’s” tab, if any DTC’s are present compare the DTC’s  to the DTC’s highlighted below and ensure there are not active or stored codes (B0099-96, C10CC-49, B2207-00, B2208-00, B220B00).

 

  1. If the above DTC’s are present, reference the service manual for further information on diagnosing the specific DTC’s. DO NOT proceed with reprogramming the ORC module.

 

  1. From the ORC” screen, select the “Flash” tab, then 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 19.
  • If the “Current ECU part Number” is NOT the same as the “New Part Number”, continue with Step 13.

 

  1. From the flash ECU agreement page, agree to terms by checking the box.

 

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

 

  1. Once the flash is complete, cycle the ignition.

 

  1. Select the “View DTCs” tab.

 

  1. Select “Clear All DTCs” and then select “Close”.

 

  1. Perform a EPS reset procedure below:

 

NOTE: If the EPS module is not reset, this may cause the EVIC to display a service the ALM (Active Lane Management) message.

a) Go to perform an EPS reset with wiTECH Go to the “Guided Diagnostics” menu

b) Select “Reset ECU”.

c) Select “EPS” from the list of modules.

d) Click “Continue” at the bottom of the page then follow the wiTECH prompts.

e) Clear all DTC’s that may have been set in any module due to reprogramming. The wiTECH application will automatically present all DTC’s after the flash and allow them to be cleared.

 

  1. Remove the battery charger from the vehicle and then close the hood.

 

  1. Turn off the vehicle, unplug the wiTECH Mopar Diagnostic Pod (MDP) and open and close the driver’s door. Let all modules go to sleep (This should take approximately one minute).

 

  1. Return the vehicle to the customer.

 


Chronology :

  • On September 29, 2021, FCA US LLC (“FCA US”) Product Engineering was notified that, during a configuration review at the supplier for an unrelated manufacturing issue, an error was identified with one squib driver circuit that identified three associated internal faults not mapped to a DTC.
  • On October 6, 2021, the FCA US Technical Safety and Regulatory Compliance (“TSRC”) organization opened an investigation and discovered that some 2021 MY JeepeBay logo Grand Cherokee L and 2022 MY JeepeBay logo Wagoneer and JeepeBay logo Grand Wagoneer vehicles may not set a DTC and the airbag warning indicator may not illuminate.
  • As of November 4, 2021, FCA US has identified zero customer complaints, zero warranty claims, and zero field reports potentially related to this issue for all markets.
  • As of November 4, 2021, FCA US is not aware of any accidents or injuries potentially related to this issue for all markets.
  • On November 4, 2021, FCA US determined, through the Vehicle Regulations Committee, to conduct a voluntary safety recall of the affected vehicles.

 


3 Affected Products

Vehicles

MAKEMODELYEAR
JEEPeBay logoGRAND CHEROKEE2021
JEEPeBay logoGRAND WAGONEER2022
JEEPeBay logoWAGONEER2022

 


15 Associated Documents

Remedy Instructions and TSB

RCRIT-21V873-0571.pdf 783.309KB

 


Remedy Instructions and TSB

RCRIT-21V873-5770.pdf 782.86KB

 


Recall Quarterly Report #1, 2021-4

RCLQRT-21V873-7661.PDF 211.138KB

 


Manufacturer Notices(to Dealers,etc) – NSRAC re New Safety Recall Advanced Communication Y79 FCA US LLC (FCA US) has announced a safety recall on certain 2021 Model Year (WL) JeepeBay logo Grand Cherokee and 2022 Model Year (WS) Wagoneer/Grand Wagoneer vehicles.

RCMN-21V873-0950.pdf 97.6KB

 


Recall Acknowledgement

RCAK-21V873-2530.pdf 645.205KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V873-3588.pdf 517.129KB

 


Manufacturer Notices(to Dealers,etc) – Dealer Notice re Safety Recall Y79 – ORC DTC/Warning Lamp, reopen recall on specific VINs on Dec. 7, 2021

RCMN-21V873-1222.pdf 106.751KB

 


Remedy Instructions and TSB

RCRIT-21V873-9830.pdf 786.751KB

 


Miscellaneous Document – FCA US LLC Recall Part Numbers Y79 ORC may not properly set a DTC

RMISC-21V873-0098.pdf 214.682KB

 


Defect Notice 573 Report

RCLRPT-21V873-6800.PDF 215.656KB

 


Renotification Notice

RCRN-21V873-1000.pdf 1537.491KB

 


Recall Quarterly Report #2, 2022-1

RCLQRT-21V873-7236.PDF 211.242KB

 


ISSUED Renotification Notice

RCRN-21V873-6458.pdf 96.486KB

 


Recall Quarterly Report #3, 2022-2

RCLQRT-21V873-4209.PDF 211.333KB

 


Recall Quarterly Report #4, 2022-3

RCLQRT-21V873-6944.PDF 211.446KB

 


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