Customer Satisfaction Program 21B17 – Alternator to Powertrain Control Module Calibration Mismatch – 2021 Ford Explorer

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NHTSA ID Number: 10187813

Manufacturer Communication Number: 21B17

 

Summary

In all of the affected vehicles, the installed high-output alternator and powertrain control module (PCM) calibration were not aligned. A mismatch between the alternator and PCM calibration could cause idle control issues such as engine speed fluctuations, which may cause customer dissatisfaction.

 

 


1 Affected Product

Vehicle

MAKE MODEL YEAR
FORD EXPLORER 2021

 


PROGRAM TERMS

This program will be in effect through February 28, 2022. There is no mileage limit for this program.

We recommend dealers utilize their FSA VIN Lists name and address (available March 19, 2021) to contact customers with affected vehicles.

 

AFFECTED VEHICLES

Vehicle Model Year Assembly Plant Build Dates
Explorer 2021 Chicago November 30, 2020

 

REASON FOR THIS PROGRAM

In all of the affected vehicles, the installed high-output alternator and powertrain control module (PCM) calibration were not aligned. A mismatch between the alternator and PCM calibration could cause idle control issues such as engine speed fluctuations, which may cause customer dissatisfaction.

 

SERVICE ACTION

Before delivering any new in-stock vehicles involved in this program, dealers will download the latest

PCM configuration with the Ford Diagnostic and Repair System (FDRS) pulled from the corrected AsBuilt database. This will adjust the PCM calibration to match the alternator installed in these vehicles. This service must be performed on all affected vehicles at no charge to the vehicle owner.

NOTE: Integrated Diagnostic Software (IDS) cannot be used for programming on these vehicles.

 

OWNER NOTIFICATION AND MAILING SCHEDULE

Owner letters are expected to be mailed the week of March 01, 2021. Dealers should repair any affected vehicles that arrive at their dealerships, whether or not the customer has received a letter.

 

TITLE BRANDED / SALVAGED VEHICLES

Affected title branded and salvaged vehicles are eligible for this service action.

 

OWNER REFUNDS 

Refunds are not approved for this program.

 

RENTAL VEHICLES

Rental vehicles are not approved for this program.

 

PARTS REQUIREMENTS / ORDERING INFORMATION

Parts are not required to complete this repair.

 


CERTAIN 2021 MODEL YEAR EXPLORER VEHICLES WITH 2.3L ENGINES — ALTERNATOR TO POWERTRAIN CONTROL MODULE CALIBRATION MISMATCH SERVICE PROCEDURE

 

Module Programming

1. Connect a battery charger to the 12V battery.

NOTE: Verify that the negative cable of the charger is installed on a chassis or engine ground, and not the 12 volt battery negative terminal to prevent the battery saver mode from activating on the vehicle.

NOTE: If the diagnostic software does not load or if the vehicle cannot be identified properly, make sure there is a good internet connection and the Vehicle Communication Module II (VCM IIeBay) is properly connected to the Data Link Connector (DLC).

NOTE: Make sure the Ford Diagnostic and Repair System (FDRS) does not enter sleep mode during module configuration.

2. Launch FDRS.

NOTE: Vehicle information is automatically retrieved by the diagnostic software and a Network Test is run. Vehicle identification data appears on the screen when this is complete.

3. Click ‘Read VIN from Vehicle’ or manually enter the Vehicle Identification Number (VIN).

NOTE: Available modules are shown on the left hand (LH) side of the screen, and available procedures are listed on the right hand (RH) side of the screen. Modules that are communicating are highlighted in green.

4. Select Toolbox tab.

5. On the LH side of the screen, Select ‘PCM’. See Figure 1.

 

6. On the RH side of the screen, click ‘Download’ Powertrain Control Module (PCM) – Configuration. See Figure 2.

 

7. Click ‘RUN’. Follow all on-screen instructions carefully.

8. Check and clear codes.

 

Important Information for Module Programming

NOTE: When programming a module, use the following basic checks to ensure programming completes without errors.

  • Make sure the 12V battery is fully charged before carrying out the programming steps and connect FDRS/scan tool to a power source.

NOTE: A good internet connection is necessary to identify the vehicle and to load the diagnostic software.

  • Inspect Vehicle Communication Module II (VCM IIeBay)/Vehicle Communication and Measurement Module (VCMM) and cables for any damage. Make sure scan tool connections are not interrupted during programming.
  • A hardwired connection is strongly recommended.
  • Turn off all unnecessary accessories (radio, heated/cooled seats, headlamps, interior lamps, HVAC system, etc.) and close doors.
  • Follow all scan tool on-screen instructions carefully.
  • Disable FDRS/scan tool sleep mode, screensaver, hibernation modes.
  • Create all sessions key on engine off (KOEO). Starting the vehicle before creating a session will cause errors within the programming inhale process.

 

Recovering a module when programming has resulted in a blank module

a. Disconnect the VCMII or VCMM from the data link connector (DLC) and your PC.

b. After ten seconds, reconnect the VCMII/VCMM to the DLC and the PC. Launch FDRS. The VCMII/VCMM icon should turn green in the bottom right corner of the screen. If it does not, troubleshoot the FDRS to VCM connection.

c. If you are using the same FDRS as the initial programming attempt, select the appropriate VIN from the Vehicle Identification menu. If you are using a different FDRS, select “Read VIN from Vehicle” and proceed through the Network Test.

d. In the Toolbox menu, navigate to the failed module and Download/Run Programmable Module Installation (PMI). Follow the on-screen prompts. When asked if the original module is installed, select “No” and continue through the installation application.

e. Once programming has completed, a screen may list additional steps required to complete the programming process. Make sure all applicable steps are followed in order.

 


 


1 Associated Document

Manufacturer Communications

Customer Satisfaction Program 21B17
February 18, 2021

https://www.nhtsa.gov/recalls?nhtsaId=10187813

MC-10187813-0001.pdf 559.525KB

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Reprogramming

Service Information & Reprogramming

 

Module Reprogramming

Diagnostic Software Interface Device Complete Vehicle Diagnostics Module Programming
1996-2017
Model Year
2018-Present
Model Year
1996-2017
Model Year
2018-Present
Model Year
IDS/FDRS VCM, VCM IIeBay, VCMM X X X X
FJDS/FDRS Compatible J2534 Devices
(Including VCM IIeBay and VCMM)
  X X X

Detailed system requirements, installation, and support information for each product is located under the diagnostics tool support tab for each product.

 

Integrated Diagnostic Software (IDS) / Ford Diagnosis & Repair System (FDRS)

For use with VCM I, VCM IIeBay, VMM and VCMM hardware devices only. The complete factory Ford Motor Company vehicle diagnostic tool that provides complete dealership level vehicle diagnostic coverage for all 1996 to present Ford, Lincoln and Mercury vehicles. The IDS software includes time based access to the IDS software, software updates and calibration files.

 

Ford J2534 Diagnostic Software (FJDS) / Ford Diagnosis & Repair System (FDRS)

For use with compatible J2534 hardware devices. FJDS software provides Ford Module Programming functionality that covers 1996 to present Ford, Lincoln and Mercury module reprogramming functions, plus complete dealership level vehicle diagnostic software for all 2018 to present Ford and Lincoln vehicles. The FJDS software license includes time based access to the FJDS software, software updates and calibration files.

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

Mongoose-Plus J2534

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

 


Latest Calibration Information

Module Build Data (As-Built)

Use VIN to obtain As-Built data

www.motorcraftservice.com

 


 

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