23C35 – Body Control Module (BCM) Configuration Update – 2020-2023 Ford Mustang

SEOCONTENT-START

Ó Copyright 2023 Ford Motor Company Stacy L. Balzer Ford Motor Company Director P. O. Box 1904 Service Engineering Operations Dearborn, Michigan 48121 Ford Customer Service Division October 30, 2023 TO: All U.S. Ford and Lincoln Dealers SUBJECT: NEW VEHICLE DEMONSTRATION / DELIVERY HOLD – Advance Notice – Compliance Recall 23C35 Certain 2020-2023 Model Year Mustang Body Control Module (BCM) Configuration Update AFFECTED VEHICLES Vehicle Model Year Assembly Plant Build Dates Mustang 2020-2023 Flat Rock February 28, 2019 through April 5, 2023 US population of affected vehicles: 186,934. Affected vehicles are identified in OASIS and FSA VIN Lists. REASON FOR THIS COMPLIANCE RECALL The affected vehicles may not conform to the requirements specified by Federal Motor Vehicle Safety Standard (FMVSS) 135 Section 5.5 – Brake system warning indicators. When the brake fluid is depleted from the reservoir, the brake system warning indicator lamp does not illuminate. SERVICE ACTION DO NOT DEMONSTRATE OR DELIVER any new in-stock vehicles involved in this compliance recall. A complete Dealer Bulletin will be provided to dealers the week of December 4, 2023, when it is anticipated that parts ordering information and repair instructions will be available to support this compliance recall. For new vehicle storage guidelines, refer to EFC13033, Storage Guidelines for New Vehicles. IMPORTANT: Dealers should open a Repair Order (RO) only when a full dealer bulletin is published. Opening an RO against an Awareness or Advance Notice will result in warranty rejections against a recall. CUSTOMER NOTIFICATION Owners of record will be notified via first-class mail after repair instructions and parts ordering information have been provided to dealers. PLEASE NOTE: Federal law requires dealers to complete this recall service before a new vehicle is delivered to the buyer or lessee. Violation of this requirement by a dealer could result in a civil penalty of up to $26,315 per vehicle. Correct all vehicles in your new vehicle inventory prior to delivery. DEALER-OPERATED RENTAL VEHICLES The Fixing America’s Surface Transportation (FAST) Act law effective June 2016 prohibits a rental company from selling, renting or leasing vehicles subject to a safety or compliance recall. Please consult your legal counsel for legal advice. Ó Copyright 2023 Ford Motor Company QUESTIONS & ASSISTANCE For questions and assistance, contact the Special Service Support Center (SSSC) via the SSSC Web Contact Site. The SSSC Web Contact Site can be accessed through the Professional Technician System (PTS) website using the SSSC link listed at the bottom of the OASIS VIN report screen or listed under the SSSC tab. Sincerely, Stacy L. Balzer

**************************************************************************************************************

OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-727 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Ford Motor Company Submission Date : OCT 27, 2023 NHTSA Recall No. : 23V-727 Manufacturer Recall No. : 23C35 Manufacturer Information : Manufacturer Name : Ford Motor Company Address : 330 Town Center Drive Suite 500 Dearborn MI 48126-2738 Company phone : 1-866-436-7332 Population : Number of potentially involved : 187,922 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2023 Ford Mustang Vehicle Type : LIGHT VEHICLES Body Style : Power Train : NR Descriptive Information : The recalled Body Control Module (BCM) configuration file was introduced into production on 02/28/2019 and was taken out of production on 04/05/2023. These vehicles are not produced in VIN order. Information as to the applicability of this action to specific vehicles can best be obtained by either calling Ford’s toll-free line (1-866-436-7332) or by contacting a local Ford or Lincoln dealer who can obtain specific information regarding the vehicles from the Ford On-line Automotive Service Information System (OASIS) database. Production Dates : FEB 28, 2019 – APR 05, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Noncompliance : Description of the Noncompliance : The brake fluid level sensor is not properly configured to activate the visual warning indicator when there is a reduction in brake fluid below the recommended level in the master cylinder brake fluid reservoir. FMVSS 1 : 135 – Light vehicle brake systems FMVSS 2 : NR Description of the Safety Risk : Customers will not receive a warning if there is a reduction in brake fluid below the recommended level in the master cylinder brake fluid reservoir, which can increase the risk of a crash. Description of the Cause : The Body Control Module (BCM) was configured to look for a Controller Area Network (CAN) message from the brake fluid sensor. This was an incorrect configuration because the vehicle was equipped with a brake fluid sensor that Part 573 Safety Recall Report 23V-727 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 was hardwired to the BCM. The incorrect configuration parameter prevented performance of the brake fluid sensor diagnostics. Identification of Any Warning that can Occur : None Involved Components : Component Name 1 : Body Control Module Component Description : Body Control Module Component Part Number : LR3T-15604-A* Supplier Identification : Component Manufacturer Name : Ford Motor Company Address : 1 American Road Dearborn Michigan 48126 Country : United States Chronology : Chronology Attached Description of Remedy : Description of Remedy Program : Owners will be notified by mail and instructed to take their vehicle to a Ford or Lincoln dealer to have the BCM reconfigured. There will be no charge for this service. Ford provided the general reimbursement plan for the cost of remedies paid for by vehicle owners prior to notification of a safety recall in May 2023. Ford will forward a copy of the notification letters to dealers to the agency when available. How Remedy Component Differs The BCM on these vehicles will be reconfigured by the dealer to properly Part 573 Safety Recall Report 23V-727 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 from Recalled Component : illuminate the brake fluid warning indicator when the master cylinder reservoir is low as required by FMVSS 135 S5.5.1. BCM part number: LR3T-15604-A* Identify How/When Recall Condition was Corrected in Production : The brake system was changed and the BCM is configured correctly for the 2024MY Mustang Recall Schedule : Description of Recall Schedule : Notification to dealers is expected to occur on October 30, 2023. Mailing of owner notification letters is expected to begin December 4, 2023 and is expected to be completed by December 8, 2023 instructing customers to take their vehicle to a Ford or Lincoln dealer to have the BCM reconfigured. Planned Dealer Notification Date : OCT 30, 2023 – OCT 30, 2023 Planned Owner Notification Date : DEC 04, 2023 – DEC 08, 2023 * NR – Not Reported

**************************************************************************************************************

**************************************************************************************************************

SEOCONTENT-END