Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update – 2021 Jeep Grand Cherokee

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December 9, 2021 NHTSA CAMPAIGN NUMBER: 21V950000

Inoperable Headlights/FMVSS 108

Inoperable headlights can reduce visibility for the driver and oncoming traffic, increasing the risk of a crash.

 

NHTSA Campaign Number: 21V950

Manufacturer Chrysler (FCA US, LLC)

Components EXTERIOR LIGHTING

Potential Number of Units Affected 36,929

 

Summary

Chrysler (FCA US, LLC) is recalling certain Jeep Grand Cherokee L vehicles equipped with smart lighting modules (SLM). An incomplete SLM software update may cause one or both headlights to become inoperable. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, “Lamps, Reflective Devices, and Associated Equipment.”

 

Remedy

Dealers will reprogram the SLM software, free of charge. Owner notification letters were mailed December 23, 2021. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC’s number for this recall is Y72.

 

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 – Y72

FCA US LLC (FCA US) has announced a safety recall on certain 2021 Model Year (WL) Jeep® Grand Cherokee L vehicles.

 

REASON FOR THIS SAFETY RECALL

Suspect vehicles may have one or both headlamps inoperable. Inoperable headlamps may result in reduced visibility for the driver, which can cause vehicle crash without prior warning.
Federal Motor Vehicle Safety Standard (“FMVSS”) 571.108, Lamps, reflective devices, and associated equipment, Section 6, Table 1A requires lower beam headlamps that “are energized when the beam selector switch is in the lower beam position.”

 

SERVICE ACTION

FCA US will conduct a voluntary safety recall on all affected vehicles to reprogram the Smart Lighting Module (SLM). 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 4th Quarter of 2021.

 


December 2021

Dealer Service Instructions for:

Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update

 

Effective immediately all repairs on involved vehicles are to be performed according to this recall.  Service Action / Rapid Response Transmittal (RRT) 21-109 / Service Bulletin (TSB) 08-127-21 is no longer applicable for the vehicles involved in this recall.

 

Remedy Available

2021 (WL) Jeep Grand Cherokee L

 

NOTE:  This recall applies only to the above vehicles equipped with a lighting system sales codes LPX and LM6.

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 headlamps on about 36,900 of the above vehicles may have one or both headlamps inoperable. Inoperable headlamps may result in reduced visibility for the driver, which can cause vehicle crash without prior warning.

 

Federal Motor Vehicle Safety Standard (“FMVSS”) 571.108, Lamps, reflective devices, and associated equipment, Section 6, Table 1A requires lower beam headlamps that “are energized when the beam selector switch is in the lower beam position.”

 

Repair

Reprogram the left or right Smart Lighting Modules (SLML and SLMR), or both as needed.

 

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 MDP (Mopar Diagnostic Pod)
  • NPN
Laptop Computer
  • NPN
wiTECH Software

 

Service Procedure

A.  Inspect Headlamps

 

  1. Turn the headlamp knob to the ON position.

 

  1. Are both headlamps working on low and high beam?
  • Yes: No further action is required. Close the recall.
  • No: Reprogram the SLM for each inoperative headlamp, left or right.

 

B.  Reprogram the SLML or SLMR

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.

 

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

 

  1. Connect the wiTECH MDP to the vehicle data link connector.

 

  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 “SLML or SLMR” 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 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. From the “Topology” screen, select the “All DTCs” tab to view the DTCs.

 

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

 

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

 

  1. Remove the battery charger from the vehicle.

 

  1. Close the vehicle hood and return the vehicle to the customer.

 


Chronology :

  • On November 17, 2021, FCA US LLC (“FCA US”) Technical Safety and Regulatory Compliance recognized an incomplete SLM software update existed on certain vehicles resulting in one or both headlamps being inoperable, potentially not in compliance with FMVSS No. 108.
  • On December 02, 2021, FCA US determined, through the Vehicle Regulations Committee, to conduct a voluntary safety recall of the affected vehicles.

 


1 Affected Product

Vehicle

MAKE MODEL YEAR
JEEP GRAND CHEROKEE 2021

 


9 Associated Documents

Recall Quarterly Report #1, 2021-4

RCLQRT-21V950-9252.PDF 211.148KB

RCLQRT-21V950-9252

 


Recall Acknowledgement

RCAK-21V950-5868.pdf 645.182KB

RCAK-21V950-5868

 


Manufacturer Notices(to Dealers,etc) – NSRAC re New Safety Recall Advanced Communication Y72 FCA US LLC (FCA US) has announced a safety recall on certain 2021 Model Year (WL) Jeep Grand Cherokee L vehicles

RCMN-21V950-9949.pdf 96.76KB

RCMN-21V950-9949

 


Manufacturer Notices(to Dealers,etc) – Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update

RCMN-21V950-9363.pdf 777.225KB

RCMN-21V950-9363

 


Noncompliance Notice 573 Report

RCLRPT-21V950-9458.PDF 214.071KB

RCLRPT-21V950-9458

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V950-2107.pdf 515.872KB

RCONL-21V950-2107

 


Recall Quarterly Report

RCLQRT-21V950-0304.PDF 211.258KB

RCLQRT-21V950-0304

 


Recall Quarterly Report #3, 2022-2

RCLQRT-21V950-8800.PDF 211.345KB

RCLQRT-21V950-8800

 


Recall Quarterly Report #4, 2022-3

RCLQRT-21V950-0613.PDF 211.458KB

RCLQRT-21V950-0613

 


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=21V950&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

Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | small light CarDAQ-Plus 3 All Makes J2534 Reprogramming Tool
Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | small light CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool
Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | small light CarDAQ-Plus
Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | small light CarDAQ-M
Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | small light VSI J2534 ECU Reprogrammer
Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | 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

Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | small light

RAP2 OEM J2534 Remote Reprogramming Tool

Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | small light

BOSCH Automotive Tools MTECH2 Mastertech II J2534 VCI

Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | 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

Safety Recall Y72 / NHTSA 21V-950 Headlight Software Update - 2021 Jeep Grand Cherokee | 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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