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July 15, 2022 NHTSA CAMPAIGN NUMBER: 22V508000
ECM Software Programmed Without Braking Function
Without engine braking, a driver may experience longer stopping distances than expected, increasing the risk of a crash.
NHTSA Campaign Number: 22V508
Manufacturer Isuzu Motors Limited
Components ENGINE AND ENGINE COOLING
Potential Number of Units Affected 11
Summary
Isuzu Motors Limited (Isuzu) is recalling certain 2022 FTR and FVR trucks. A programming error in the ECM software calibration, resulted in the vehicles not having engine braking functionality.
Remedy
Dealers will reprogram the ECM with the corrected calibration, free of charge. Owner notification letters are expected to be mailed on September 1, 2022. Owners may contact Isuzu’s customer service at 1-866- 441-9638. Isuzu’s number for this recall is V2204.
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 Isuzu Truck has a Recall
BULLETIN NUMBER:
CB22-J-002A
ISSUE DATE:
AUGUST 2022
ENGINE EXHAUST BRAKE REPROGRAMMING – 22V-508
AFFECTED VEHICLES
- 2022MY Isuzu F-Series Vehicles
CONDITION
Isuzu Motors Limited has decided that a defect exists in certain 2022 model year Isuzu F-Series vehicles. Due to a software calibration error, the affected vehicles were built without engine exhaust braking functionality. Without engine braking, a driver may experience longer stopping distances than expected, increasing the risk of a crash.
CORRECTION
Isuzu dealers will have the Cummins Engine Control Module (ECM) reprogrammed with the correct calibration setting for the engine exhaust brake. This service will be performed free of charge.
VEHICLES INVOLVED
Involved are certain 2022MY Isuzu F-Series vehicles
SERVICE PROCEDURE
1. Confirm the VIN is an affected vehicle in IVIS.
2. Contact the local Cummins Certified Service location to have the ECM reprogrammed per the procedure below.
a. If you (the Isuzu dealer) are also a Cummins Certified Service location, this procedure should be performed at your location, as you are the closest Cummins Certified Service location.
b. If you (the Isuzu dealer) are not a Cummins Certified Service location, you should arrange to have this procedure performed at the closest Cummins Certified Service location; you can find the closest Cummins Certified Service location on the web at https://www.cummins.com/locations.
3. Provide the “Procedure” section of this bulletin to the Cummins location to have a Cummins trained technician reprogram the ECM with the correct Engine Exhaust Brake settings using the Cummins INSITE tool.
PROCEDURE (to be performed by a Cummins Certified Service location using INSITE)
4. Using the Cummins INSITE tool (version 8.7.1.99 or later), from the Main Screen select Connect to ECM to establish communication with ECU, and then select Connect.
5. Select Features and Parameters.
6. Select Engine Brake Control and confirm it is “Enabled”.
7. If it is not Enabled, select Enable for Engine Brake Control at the drop-down menu.
8. Expand “ENGINE BRAKE CONTROL” by selecting the “+” and ensure “ENGINE BRAKE LAMP” is DISABLED.
9. Select FILE and select Send to ECM. Select OK from the Confirm ECM Adjustment pop up.
10. Follow the following Cummins INSITE instructions to complete download.
a. Key switch off, then click OK.
b. Wait 100 seconds.
c. Key switch on, then click OK.
11. Confirm all parameters were written successfully.
DET-22-089
Chronology of Defect / Noncompliance Determination
573.6 (c) (6) (7)
Describe the chronology of events leading up to the defect decision or test data for the noncompliance decision:
On April 20, 2022, an end of assembly line final inspection team at the factory noticed that the engine brake telltale on an F-Series truck did not illuminate when the engine brake switch was activated. That same day, Cummins (the supplier of the F-Series engine) was contacted. Cummins reviewed Isuzu Technical Center of America, Inc.’s (ITCA) flash station calibration Action Authorization Sheet (AAS) for the engine brake switch in effect at that time and found it to be in error.
On April 21, 2022, the production line updated the software calibration per Cummins’ instructions and the engine brake flashing station once again began to function properly.
Isuzu North America Corporation (INAC) QA, together with Isuzu Motors Limited (IML) and Isuzu Technical Center of America, Inc. (collectively, Isuzu), promptly launched an investigation and determined that: (1) the engine brake flashing station had a problem that required its calibration to be reloaded on January 24, 2022; (2) the calibration reloading on that day followed the erroneous AAS mentioned above; (3) between the Start of Production in December 2021 and January 24, 2022, the F-Series vehicles produced had properly functioning engine brakes and engine brake switches and telltales; and (4) there were 745 F-Series vehicles still within Isuzu’s control that were produced between January 24 and April 21, 2022 and, thus, that had non-functioning engine brakes and engine brake switches and telltales. Those 745 vehicles within Isuzu’s control were re-flashed (such that their engine brake and engine brake switch and telltale would function properly) between April 25 and 28, 2022. There also were, however, and are eleven vehicles with improper calibration that already had been released from Isuzu’s control.
Between the end of April 2022 and the middle of June 2022, Isuzu studied the nature and effect of the improper engine brake calibration on the functioning of the vehicles. In a properly functioning vehicle, turning the engine brake switch on would cause the engine brake to function at speeds over 9.9 mph and cause the engine brake telltale to illuminate to show that the engine brake was on. Isuzu’s analysis determined that in the vehicles with the improper calibration, the telltale would not illuminate when the engine brake switch was turned on. In that respect, drivers would be given an indication that the engine brake would not function. And, of course, since generally one can feel the effect of a functioning engine brake slowing down the vehicle even without use of the service/foundation air brakes, the absence of engine braking would likely be noticed by the driver, who, presumably would not rely on the engine brake to assist in the stopping of the vehicle.
Although Isuzu is not aware of any crashes, property damage claims, warranty claims, injuries or deaths associated with this issue, in an abundance of caution, on July 8, 2022, Isuzu made a decision to conduct a safety-related defect recall to address this concern.
2 Affected Products
Vehicles
MAKE | MODEL | YEAR |
ISUZU | FTR | 2022 |
ISUZU | FVR | 2022 |
11 Associated Documents
Defect Notice 573 Report
RCLRPT-22V508-3198.PDF 215.598KB
Recall Acknowledgement
RCAK-22V508-4685.pdf 646.438KB
Miscellaneous Document- Chronology
RMISC-22V508-1536.pdf 89.334KB
Remedy Instructions and TSB
RCRIT-22V508-1124.pdf 915.384KB
Remedy Instructions and TSB
RCRIT-22V508-5492.pdf 2067.727KB
Manufacturer Notices(to Dealers,etc)
RCMN-22V508-7377.pdf 131.055KB
ISSUED Owner Notification Letter(Part 577)
RCONL-22V508-2247.pdf 136.143KB
Manufacturer Notices(to Dealers,etc)
RCMN-22V508-2078.pdf 237.202KB
Recall Quarterly Report #1, 2022-3
RCLQRT-22V508-0486.PDF 211.142KB
Recall Quarterly Report #2, 2022-4
RCLQRT-22V508-9484.PDF 211.239KB
Recall Quarterly Report #3, 2023-1
RCLQRT-22V508-3648.PDF 211.319KB
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=22V508&docType=RCL
Isuzu Truck Reprogramming
The Isuzu Diagnostic Service System (IDSS) is an all-in-one hardware and software solution for diagnosis and repair of Isuzu commercial vehicles.
This package contains service information (including electronic troubleshooting manual/wiring diagrams), full-featured scan tool, service programming, and bulletins to support all Isuzu manufactured products.
The IDSS software is designed for use with the IDSS interface module, included with this kit.
What is included with an IDSS subscription?
An IDSS subscription enables you to register your product and receive periodic web updates through the Internet to update your Interface module with new models, functionality and programming capabilities.
IDSS Diagnostic Service Tablet
The Isuzu Diagnostic Service System (IDSS) Tablet is Isuzu's next generation all-in-one hardware and software solution for diagnosis and repair of Isuzu commercial vehicles.
The IDSS II tablet arrives pre-installed with IDSS II software, which contains service information (including electronic troubleshooting manual/wiring diagrams), full-featured scan tool, service programming, and bulletins to support all Isuzu manufactured products.
The IDSS II tablet is compatible with the following protocols:
- J1939
- CAN
- J1708
- NRZ
- LIN
- KW2000
- FlexRay
- ISO 9141
- J1850 VPW, PWM
- ISO 15765
This product does not apply to Isuzu industrial engines. Only commercial vehicles in the U.S. and Canada are supported.
IDSS supports only U.S. or Canadian specification Isuzu vehicles at this time.
IDSS supports 1996-to-current model year Isuzu commercial vehicles.
https://www.isuzutruckservice.com/
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SEOCONTENT-START
IMPORTANT SAFETY RECALL ENGINE EXHAUST BRAKE REPROGRAMMING – 22V-508 • 2022MY Isuzu F-Series Vehicles (See affected 11 VINs below) This bulletin supersedes previous campaign bulletin CB22-J-002. This bulletin is being updated to include a sample of the US owner letter. Please discard previous campaign bulletin CB22-J-002. CONDITION Isuzu Motors Limited has decided that a defect exists in certain 2022 model year Isuzu F-Series vehicles. Due to a software calibration error, the affected vehicles were built without engine exhaust braking functionality. Without engine braking, a driver may experience longer stopping distances than expected, increasing the risk of a crash. CORRECTION Isuzu dealers will have the Cummins Engine Control Module (ECM) reprogrammed with the correct calibration setting for the engine exhaust brake. This service will be performed free of charge. VEHICLES INVOLVED Involved are certain 2022MY Isuzu F-Series vehicles (See affected 11 VINs below) Model Vehicle ID No. Engine Serial Number FTR 54DK6S1F1NSA50583 74884120 FTR 54DK6S1F1NSA50602 74885423 FTR 54DK6S1F9NSA50637 74881280 FVR 54DM6S1F9NSB50603 74885431 FTR 54DK6S1F2NSA50608 74885435 FTR 54DK6S1F2NSA50642 74881312 Model Vehicle ID No. Engine Serial Number FTR 54DK6S1F6NSA50627 74886734 FTR 54DK6S1F7NSA50586 74884123 FTR 54DK6S1F7NSA50636 74882861 FTR 54DK6S1F7NSA50961 74884103 FTR 54DK6S1F4NSA50609 74885425 Important: Dealers are to confirm vehicle eligibility prior to beginning repairs by using IVIS (Isuzu Vehicle Information System). AFFECTED VEHICLES INFORMATION IMPORTANT SERVICE INFORMATION FOR: ✓ SERVICE MANAGER ✓ SERVICE ADVISOR ✓ TECHNICIAN ✓ PARTS DEPARTMENT ✓ WARRANTY PERSONNEL BULLETIN NUMBER: CB22-J-002A ISSUE DATE: AUGUST 2022 GROUP: ENGINE C V 2 For dealers with involved vehicles, a report of involved vehicles containing the complete vehicle identification numbers has been or will be provided. Dealers will not have a report available if they have no involved vehicles currently assigned. 1. Confirm the VIN is an affected vehicle in IVIS. 2. Contact the local Cummins Certified Service location to have the ECM reprogrammed per the procedure below. a. If you (the Isuzu dealer) are also a Cummins Certified Service location, this procedure should be performed at your location, as you are the closest Cummins Certified Service location. b. If you (the Isuzu dealer) are not a Cummins Certified Service location, you should arrange to have this procedure performed at the closest Cummins Certified Service location; you can find the closest Cummins Certified Service location on the web at https://www.cummins.com/locations. 3. Provide the “Procedure” section of this bulletin to the Cummins location to have a Cummins trained technician reprogram the ECM with the correct Engine Exhaust Brake settings using the Cummins INSITE tool. PROCEDURE (to be performed by a Cummins Certified Service location using INSITE) 4. Using the Cummins INSITE tool (version 8.7.1.99 or later), from the Main Screen select Connect to ECM to establish communication with ECU, and then select Connect. SERVICE PROCEDURE 3 5. Select Features and Parameters. 6. Select Engine Brake Control and confirm it is “Enabled”. 4 7. If it is not Enabled, select Enable for Engine Brake Control at the drop-down menu. 8. Expand “ENGINE BRAKE CONTROL” by selecting the “+” and ensure “ENGINE BRAKE LAMP” is DISABLED. 5 9. Select FILE and select Send to ECM. Select OK from the Confirm ECM Adjustment pop up. 10. Follow the following Cummins INSITE instructions to complete download. a. Key switch off, then click OK. b. Wait 100 seconds. c. Key switch on, then click OK. 11. Confirm all parameters were written successfully. 6 12. After the ECM reprogramming is completed, the Isuzu dealer must complete the recall by applying the Campaign Label. Proceed to Applying The Campaign Label. APPLYING THE CAMPAIGN LABEL 13. Using a ball-point pen, fill in a campaign label (Part No. 2-90028-700-0) with Campaign Number 22V-508, Isuzu dealer code, and repair date. 14. Affix the campaign label onto the driver’s side B-pillar. CLAIM INFORMATION Refer to the Isuzu ICS Claims Processing Manual for details on Campaign Claim Submission. Submit only one claim as indicated below. Labor Code Description Labor Hours Sublet V2204 Ex. Brake Reprogramming Recall 0.5* Cummins Service Repair Cost** *Includes 0.1 hours for administrative allowance, coordination with Cummins service location and campaign label installation. ** Use “Sublet C” for reimbursement of reprogramming expense from the Cummins location. Dealers must attach the paid invoice, from the Cummins Certified Service Location, to the claim for reimbursement. If there are other expenses incurred during this process, please contact your DSPM for additional direction on payment or reimbursement. DEALER RESPONSIBILITY Dealers are to service all vehicles subject to this campaign at no charge to customers, regardless of mileage, age of the vehicle, or ownership. Customers who have recently purchased vehicles sold from your vehicle inventory, and for which there is no customer information indicated on the dealer listing, are to be contacted by the dealer. Arrangements are to be made to perform the required correction according to the instructions contained in this bulletin. Program follow-up cards should not be used for this purpose, since the customers may not as yet have received the notification letter. In summary, whenever a vehicle subject to this campaign enters your vehicle inventory, or is in your dealership for service, you must take the steps necessary to ensure the recall remedy has been implemented before selling or releasing the vehicle. Important: As required by Federal law, dealers are not to deliver any new vehicle in their inventory, which is covered by a Safety Recall, until the necessary remedy has been performed. Dealers are to confirm vehicle eligibility prior to beginning repairs by using IVIS (Isuzu Vehicle Information System). Not all vehicles may be involved. 7 For dealers with involved vehicles, a listing of involved vehicles containing the complete vehicle identification numbers has been or will be provided. Dealers will not have a report available if they have no involved vehicles currently assigned. OWNER NOTIFICATION A sample of the recall letter that will be sent to owners of affected vehicles already retailed in the United States is attached below. 8 [SAMPLE OWNER LETTER – US] IMPORTANT SAFETY RECALL NHTSA Recall 22V-508 This notice applies to your vehicle, SEPTEMBER 2022 Dear Customer, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Your vehicle model year Isuzu F-Series vehicle is involved in safety recall NHTSA 22V-508. WHAT IS THE CONDITION? Isuzu Motors Limited has decided that a defect exists in certain 2022 model year Isuzu F-Series vehicles. Due to a software calibration error, the affected vehicles were built without engine exhaust braking functionality. Without engine braking, a driver may experience longer stopping distances than expected, increasing the risk of a crash. WHAT WE WILL DO Isuzu dealers will have the Cummins Engine Control Module (ECM) reprogrammed with the correct calibration setting for the engine exhaust brake. This service will be performed free of charge. WHAT YOU SHOULD DO We recommend that you contact your Isuzu dealer to schedule an appointment. Although not necessary, please present this Owner Notification Letter at the time of your appointment or refer to Campaign Service Bulletin CB22-J-002A. We estimate that the reprogramming will take 24 minutes to perform. However, additional time may be necessary depending on how appointments are scheduled and processed and whether or not your Isuzu dealership also is a Cummins certified service location. To locate the nearest Isuzu dealer you can visit our website at www.isuzucv.com or contact our Customer Relations Department at the number listed below. Isuzu Commercial Truck of America Customer Relations 1-866-441-9638 If you have any difficulty having this recall performed, we recommend that you call Isuzu customer relations at 1-866-441-9638. If you are still not satisfied that we have remedied this situation without charge, and within a reasonable amount of time, you may wish to write to the Administrator of the National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington DC 20590, or call the agency’s toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153), or go to http://www.nhtsa.gov. We regret any inconvenience this action may cause you. Sincerely, Isuzu Commercial Truck of America, Inc. Important: If you have sold or traded your Isuzu vehicle, please enter the owner’s name and address, if known, on the attached “Change of Information” postcard, tear off at both perforations, and drop it in the mail. Postage has already been paid. We will contact the new owner. Federal law requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. Lessor means a person or entity that is the owner, as reflected on the vehicle title, of any five or more leased vehicles.
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Isuzu Commercial Truck of America, Inc. Customer Relations Department 1400 S. Douglass Road, Suite 100, Anaheim, CA 92806 *1-866-441-9638 DOC ID: ON_22V508_20220901 IMPORTANT SAFETY RECALL NHTSA Recall 22V-508 This notice applies to your vehicle, SEPTEMBER 2022 Dear Customer, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Your vehicle 2022 model year Isuzu F-Series vehicle is involved in safety recall NHTSA 22V-508. WHAT IS THE CONDITION? Isuzu Motors Limited has decided that a defect exists in certain 2022 model year Isuzu F-Series vehicles. Due to a software calibration error, the affected vehicles were built without engine exhaust braking functionality. Without engine braking, a driver may experience longer stopping distances than expected, increasing the risk of a crash. WHAT WE WILL DO Isuzu dealers will have the Cummins Engine Control Module (ECM) reprogrammed with the correct calibration setting for the engine exhaust brake. This service will be performed free of charge. WHAT YOU SHOULD DO We recommend that you contact your Isuzu dealer to schedule an appointment. Although not necessary, please present this Owner Notification Letter at the time of your appointment or refer to Campaign Service Bulletin CB22- J-002A. We estimate that the reprogramming will take 24 minutes to perform. However, additional time may be necessary depending on how appointments are scheduled and processed and whether or not your Isuzu dealership also is a Cummins certified service location. To locate the nearest Isuzu dealer you can visit our website at www.isuzucv.com or contact our Customer Relations Department at the number listed below. Isuzu Commercial Truck of America Customer Relations 1-866-441-9638 If you have any difficulty having this recall performed, we recommend that you call Isuzu customer relations at 1- 866-441-9638. If you are still not satisfied that we have remedied this situation without charge, and within a reasonable amount of time, you may wish to write to the Administrator of the National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington DC 20590, or call the agency’s toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153), or go to http://www.nhtsa.gov. We regret any inconvenience this action may cause you. Sincerely, Isuzu Commercial Truck of America, Inc. Important: If you have sold or traded your Isuzu vehicle, please enter the owner’s name and address, if known, on the attached “Change of Information” postcard, tear off at both perforations, and drop it in the mail. Postage has already been paid. We will contact the new owner. Federal law requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. Lessor means a person or entity that is the owner, as reflected on the vehicle title, of any five or more leased vehicles.
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Isuzu Commercial Truck of America, Inc. Customer Relations Department 1400 S. Douglass Road, Suite 100, Anaheim, CA 92806 *1-866-441-9638 DOC ID: SS_V2204_20220715 STOP SALE AND DELIVERY – SAFETY RECALL Date: July 15, 2022 Subject: Stop Sale and Delivery Notice for Upcoming Safety Recall Affected Models: 2022MY Isuzu FTR Vehicles (See affected 11 VINs below) Vehicle ID No. Engine Serial Number Vehicle ID No. Engine Serial Number To: Isuzu Dealer Principal, Sales Manager and Service Manager Effective immediately, stop the sale and delivery of affected vehicles in your inventory, even if a customer has purchased an affected vehicle. We are in the process of taking steps to address a safety related defect in these vehicles. Federal law prohibits the sale and delivery to customers of any vehicle containing a safety defect. You must not deliver any covered vehicles to customers until after the vehicle has been remedied. WHAT IS THE CONDITION? Isuzu Motors Limited has decided that a defect, which relates to motor vehicle safety, exists in certain 2022MY Isuzu FTR vehicles. Due to a software calibration error, the affected vehicles were built without engine braking functionality, which may cause a driver to experience longer stopping distances than expected and could lead to a crash. WHAT WE WILL DO Isuzu Commercial Truck of America, Inc. has issued this notice and affected inventory reports for dealers with affected inventory. WHAT YOU SHOULD DO Confirm the affected vehicles in your (dealer) inventory, open a repair order referencing this Stop Sale and wait for additional instructions. IMPORTANT: Always confirm vehicle eligibility prior to beginning repairs by using the Isuzu Vehicle Information System (IVIS). You will receive another notice regarding owner notification as well as a campaign bulletin containing a sample owner letter once it has been approved by NHTSA. We regret any inconvenience this action may cause you. Sincerely, Isuzu Commercial Truck of America, Inc.
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Isuzu Commercial Truck of America, Inc. Customer Relations Department 1400 S. Douglass Road, Suite 100, Anaheim, CA 92806 *1-866-441-9638 DOC ID: DN_22V508_20220805 AUGUST 2022 Safety Recall 22V-508 (NHTSA) Campaign Bulletin CB22-J-002 IMPORTANT SAFETY RECALL ENGINE EXHAUST BRAKE REPROGRAMMING – 22V-508 To: Isuzu Commercial Truck Service Managers and Parts Managers This notice and Campaign Bulletin CB22-J-002 are being sent to inform you about Safety Recall –Engine Exhaust Brake Reprogramming in certain Isuzu commercial vehicles. AFFECTED VEHICLES 2022MY Isuzu F-Series Vehicles (See affected 11 VINs below) Model Vehicle ID No. Engine Serial Number Model Vehicle ID No. Engine Serial Number CONDITION Isuzu Motors Limited has decided that a defect exists in certain 2022 model year Isuzu F-Series vehicles. Due to a software calibration error, the affected vehicles were built without engine exhaust braking functionality. Without engine braking, a driver may experience longer stopping distances than expected, increasing the risk of a crash. CORRECTION Isuzu dealers will have the Cummins Engine Control Module (ECM) reprogrammed with the correct calibration setting for the engine exhaust brake. This service will be performed free of charge. OWNER NOTIFICATION OWNER NOTIFICATION WILL BEGIN ON OR BEFORE SEPTEMBER 1, 2022. Please ensure that all appropriate personnel within your dealership are aware of this Safety Recall – Engine Exhaust Brake Reprogramming.
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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-508 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Isuzu Motors Limited Submission Date : JUL 15, 2022 NHTSA Recall No. : 22V-508 Manufacturer Recall No. : V2204 Manufacturer Information : Manufacturer Name : Isuzu Motors Limited Address : 46401 Commerce Center Drive Plymouth MI 48170-2473 Company phone : 866-441-9638 Population : Number of potentially involved : 11 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 ISUZU FTR Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : 2022MY ISUZU FTR (10 TRUCKS) IDENTIFIED BY PRODUCTION AND SALES RECORDS. VIN 4: “K” Production Dates : JAN 25, 2022 – MAR 19, 2022 VIN Range 1 : Begin : 54DK6S1F1NSA50583 End : 54DK6S1F7NSA50961 ✔ Not sequential Vehicle 2 : 2022-2022 ISUZU FVR Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : 2022MY ISUZU FVR (1 TRUCK) IDENTIFIED BY PRODUCTION AND SALES RECORDS VIN 4: “M” Production Dates : JAN 25, 2022 – JAN 25, 2022 VIN Range 1 : Begin : 54DM6S1F9NSB50603 End : 54DM6S1F9NSB50603 Not sequential Description of Defect : Description of the Defect : Due to an error in programming the ECM software calibration, the affected vehicles were built without engine braking functionality. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A driver may experience longer stopping distances than expected. Part 573 Safety Recall Report 22V-508 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Cause : The production line flash station for the ECM calibration was incorrectly programmed. Identification of Any Warning that can Occur : The driver may notice that the “engine brake” telltale does not illuminate when the engine brake switch is turned on and also may feel that the engine brake itself does not operate to slow the vehicle when the service/foundation air brakes are not used. Involved Components : Component Name 1 : Engine Control Module Component Description : ECM contains calibration for engine operation. Component Part Number : NR Supplier Identification : Component Manufacturer Name : Cummins, Inc. Address : 500 Jackson St Columbus Indiana 47201 Country : United States Chronology : Submitted Separately Description of Remedy : Description of Remedy Program : Isuzu will direct the owners to contact a Cummins Service Center to have the ECM re-flashed with the corrected calibration. How Remedy Component Differs from Recalled Component : The reflashed ECM calibration will restore the engine brake functionality, switch, and telltale. Part 573 Safety Recall Report 22V-508 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : On April 20, 2022, an end of line inspection team at the factory noticed that the engine brake switch on a F-Series truck was not functioning properly and asked Cummins to review the pertinent Isuzu Action Authorization Sheet (AAS) being used at the ECM flashing station. Cummins noticed a calibration error in Isuzu’s AAS and provided the factory with the correct calibration on April 20, 2022. Vehicles built after 9:38 a.m. on April 21, 2022 have properly functioning engine brakes, brake switches, and telltales. (Note, vehicles built from the December 2021 SOP and January 24, 2022 also have properly functioning engine brakes, brake switches and telltales. See Chronology for further explanation.) Recall Schedule : Description of Recall Schedule : Isuzu will notify the affected vehicle owners and dealers of this recall. They will be informed the recall repairs will be done free of charge. The recall owner notification is expected to begin September 1, 2022. For additional information, Isuzu owners may contact Isuzu Customer Relations at (866) 441-9638. Planned Dealer Notification Date : JUL 15, 2022 – JUL 15, 2022 Planned Owner Notification Date : SEP 01, 2022 – SEP 01, 2022 * NR – Not Reported
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