Electrical Short Circuit May Cause Engine Stall – 2023 Hino NJ7A, & NV7A

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A CUMMINS FIELD CAMPAIGN Please Deliver To: Service Managers and Warranty Decision Makers FROM: Cummins Global Warranty Administration Communications Subject: CM2450 ECM Replacement Safety Campaign Number: C2614 Date: 27-Sep-2022 Expires: 01-Sep-2050 (U.S./Canada) 01-Sep-2050 (International) Attention: Worldwide distr./ branches and Div./Reg Offices U.S. / Canadian Dealers U.S. / Canadian Distr./Branches and Div. Offices (Automotive) If additional information is required, please contact your Cummins Warranty Operations Group Leader. DESCRIPTION: This Safety Campaign is being issued to replace CM2450 Engine Control Modules (ECM) on certain engines. ECMs may develop an internal electrical short, possibly resulting in an engine stall without warning. This Safety Campaign authorizes certified repair locations to replace the ECM and perform a recalibration. Cummins has reported this issue to the U.S. National Highway Traffic Safety Administration (NHTSA), which has assigned it Recall Number 22E-063. ACTION: In order to qualify for repair under this field action, an engine: 1 will be covered regardless of coverage status, and 2 must show as OPEN on QuickServe® Online for this field action. NOTE: The ESN list is attached for reference. After verifying that the engine meets the above requirements, perform the following actions: 1 Replace ECM in accordance with repair procedure 19-031 within appropriate service manual 2 Recalibrate ECM in accordance with repair procedure 19-032 within appropriate service manual MATERIAL DISPOSITION: Where applicable, items removed should be returned to ReCon for core credit. Unless otherwise indicated, items with no core liability can be scrapped. REIMBURSEMENTS: Parts: NOTE: All parts listed are OPTIONAL. Claim only the parts required to complete the repair. Please note that Pre- Authorization is required to secure parts to complete the directed repairs. Please follow your normal parts channel processes to secure the Pre-Authorization from Customer Order Management (COM). Where multiple ECMs are needed, eligible ESNs MUST be provided to secure multiple ECM order requests. NOTE: ReCon (RX) parts should be used and claimed when performing all Cummins Field Actions. New or NX parts should only be used when making before-inservice repairs. Additionally, due to local laws, RX parts may not be available for use in the repair. If this is the case for your region, use the New part equivalent of the appropriate ReCon part. Further, if RX parts are not readily available to complete the repair in a timely fashion, the new part equivalent can be secured and used for the repair. The following parts are covered under this field action: Part Number Quantity Description 557239100NX 1 MDL,CNT (OPTIONAL) 557239100RX 1 MDL,CNT (OPTIONAL) NOTE: SRTs to gain access that are required to complete the repair, that are sufficiently explained in the claim narrative, may also be claimed on this action. NOTE: All SRTs listed are OPTIONAL. Select ONLY the appropriate SRTs for the repair performed. Labor using applicable Access Code and Time: SRT Code Description Time 00-90X Administrative time 19-0G5 Engine Control Module Calibration Code – Transfer (CMI) 19-0YW Engine Control Module – Remove and Install – X15 CM2450 X124B 19-1JB Engine Control Module – Remove and Install – L9 CM2450 L126B 19-1K4 Engine Control Module – Remove and Install – X15 CM2450 X134B 19-1NT ENGINE CONTROL MODULE – REMOVE AND INSTALL – X12 CM2450 X137B 19-1RQ Engine Control Module – Remove and Install – B6.7 CM2450 B155B Travel: Travel is covered under this field action. Towing is covered under this field action. Other Claimables: Consumables are covered under this field action. NOTE: Additional parts, such as o-rings, gaskets and fasteners, that are required to complete the repair, but not listed, may be claimed in Other Claimables. Please consolidate all consumables and claim them as one line item in Other Claimables titled CAMPAIGN SUPPLIES or other appropriate selections. Please include brief summaries on the details of items claimed. A lack of documentation in the narrative may result in a reduction in claim reimbursement or claim denial. Claim Instructions: For Cummins Dealers, claims for this Field Campaign must be filed via RAPIDSERVE™ Web (rsw.cummins.com). For information regarding RAPIDSERVE™ Web, please reference the “Warranty” tab in QuickServe® Online. If there are additional questions, please contact your local Cummins Distributor. Account Code: ………………………………………………………………………………………………………………………………………….. 65 Pay Code: ………………………………………………………………………………………………………….. North America Distributor = X Pay Code: ……………………………………………………………………………………………………………….. North America Dealer = D Pay Code: ………………………………………………………………………………………………………………. International Distributor = I Pay Code: ………………………………………………………………………………………………………………….. International Dealer = R Failure Code: ………………………………………………………………………………………………………………………………….. WEICMG Attachments c2614_esn-list.xlsx

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-647 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Hino Motors Sales U.S.A., Inc. Submission Date : OCT 03, 2022 NHTSA Recall No. : 22V-647 Manufacturer Recall No. : N/A Manufacturer Information : Manufacturer Name : Hino Motors Sales U.S.A., Inc. Address : 45501 Twelve Mile Road Novi MI 48377 Company phone : 248-699-9300 Population : Number of potentially involved : 7 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2023-2023 HINO NJ7A, NV7A Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL Descriptive Information : As reported by Cummins in 22E063, “The engine is controlled by an Engine Control Module (ECM), which receives electrical power via a fused circuit from the vehicle’s battery. This defect notification covers the entire population of engines manufactured with the suspect ECMs, as identified by the supplier.” The vehicles not included are equipped with ECMs manufactured outside of the suspect range. Production Dates : JUN 16, 2022 – JUN 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : As reported by Cummins, “ECMs within the subject population that are affected by the defect condition may develop an internal electrical short circuit, possibly resulting in an engine stall without warning. If this occurs, the engine cannot be restarted until replacement of the ECM and, if necessary, the fuse.” FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : As reported by Cummins, risk of “an unexpected engine stall without the ability to restart the engine may lead to an increased risk of a crash.” Description of the Cause : : As reported by Cummins, “A screw in the supplier’s selective solder fixture backed out of position, pushing an electrolytic capacitor frame into the Printed Circuit Board (PCB) during ECM production.” Identification of Any Warning that can Occur : None Part 573 Safety Recall Report 22V-647 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : Engine Control Module Component Description : Engine Control Module Component Part Number : 5572391 Supplier Identification : Component Manufacturer Name : Cummins, Inc. Address : 500 Jackson St Columbus Indiana 47201 Country : United States Chronology : Chronology of Defect Determination is attached to the case. Description of Remedy : Description of Remedy Program : For all subject vehicles, Cummins dealers will replace the ECM. Hino will track and report completion progress. Customers who have received the “Customer Notification Letter for Recall (C2614)” from Cummins, who may have paid for repairs due to this defect may apply for reimbursement for those repair costs. All pre-notification reimbursement requests for repairs which were performed until a date 10 days after the final customer notification was made will be considered by Hino for reimbursement. Hino will also reimburse all Parts, Labor, and miscellaneous costs directly related to the remedy of this defect. Requests for reimbursement, including paid receipts, should be directed to warranty@hino.com. How Remedy Component Differs from Recalled Component : Remedied component was produced after countermeasure was implemented. Identify How/When Recall Condition was Corrected in Production : According to Cummins, “Vitesco corrected the ECM production assembly process on June 2, 2022. Cummins initiated containment actions at impacted engine plants on June 28, 2022.” Part 573 Safety Recall Report 22V-647 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Recall Schedule : Description of Recall Schedule : All seven units involved with the recall have been remedied and the actual customer letters will not be mailed out. Planned Dealer Notification Date : OCT 18, 2022 – OCT 18, 2022 Planned Owner Notification Date : OCT 25, 2022 – OCT 25, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-647 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Hino Motors Sales U.S.A., Inc. Submission Date : AUG 26, 2022 NHTSA Recall No. : 22V-647 Manufacturer Recall No. : N/A Manufacturer Information : Manufacturer Name : Hino Motors Sales U.S.A., Inc. Address : 45501 Twelve Mile Road Novi MI 48377 Company phone : 248-699-9300 Population : Number of potentially involved : 7 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2023-2023 HINO NJ7A, NV7A Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL Descriptive Information : As reported by Cummins in 22E063, “The engine is controlled by an Engine Control Module (ECM), which receives electrical power via a fused circuit from the vehicle’s battery. This defect notification covers the entire population of engines manufactured with the suspect ECMs, as identified by the supplier.” The vehicles not included are equipped with ECMs manufactured outside of the suspect range. Production Dates : JUN 16, 2022 – JUN 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : As reported by Cummins, “ECMs within the subject population that are affected by the defect condition may develop an internal electrical short circuit, possibly resulting in an engine stall without warning. If this occurs, the engine cannot be restarted until replacement of the ECM and, if necessary, the fuse.” FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : As reported by Cummins, risk of “an unexpected engine stall without the ability to restart the engine may lead to an increased risk of a crash.” Description of the Cause : : As reported by Cummins, “A screw in the supplier’s selective solder fixture backed out of position, pushing an electrolytic capacitor frame into the Printed Circuit Board (PCB) during ECM production.” Identification of Any Warning that can Occur : None Part 573 Safety Recall Report 22V-647 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : Engine Control Module Component Description : Engine Control Module Component Part Number : 5572391 Supplier Identification : Component Manufacturer Name : Cummins, Inc. Address : 500 Jackson St Columbus Indiana 47201 Country : United States Chronology : Chronology of Defect Determination is attached to the case. Description of Remedy : Description of Remedy Program : Customers who have received the “Customer Notification Letter for Recall (C2614)” from Cummins, who may have paid for repairs due to this defect may apply for reimbursement for those repair costs. All pre-notification reimbursement requests for repairs which were performed until a date 10 days after the final customer notification was made will be considered by Hino for reimbursement. Hino will also reimburse all Parts, Labor, and miscellaneous costs directly related to the remedy of this defect. Requests for reimbursement, including paid receipts, should be directed to warranty@hino.com. How Remedy Component Differs from Recalled Component : Remedied component was produced after countermeasure was implemented. Identify How/When Recall Condition was Corrected in Production : According to Cummins, “Vitesco corrected the ECM production assembly process on June 2, 2022. Cummins initiated containment actions at impacted engine plants on June 28, 2022.” Part 573 Safety Recall Report 22V-647 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : OCT 18, 2022 – OCT 18, 2022 Planned Owner Notification Date : OCT 25, 2022 – OCT 25, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-647 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Hino Motors Sales U.S.A., Inc. Submission Date : SEP 29, 2022 NHTSA Recall No. : 22V-647 Manufacturer Recall No. : N/A Manufacturer Information : Manufacturer Name : Hino Motors Sales U.S.A., Inc. Address : 45501 Twelve Mile Road Novi MI 48377 Company phone : 248-699-9300 Population : Number of potentially involved : 7 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2023-2023 HINO NJ7A, NV7A Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : ALL Power Train : DIESEL Descriptive Information : As reported by Cummins in 22E063, “The engine is controlled by an Engine Control Module (ECM), which receives electrical power via a fused circuit from the vehicle’s battery. This defect notification covers the entire population of engines manufactured with the suspect ECMs, as identified by the supplier.” The vehicles not included are equipped with ECMs manufactured outside of the suspect range. Production Dates : JUN 16, 2022 – JUN 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : As reported by Cummins, “ECMs within the subject population that are affected by the defect condition may develop an internal electrical short circuit, possibly resulting in an engine stall without warning. If this occurs, the engine cannot be restarted until replacement of the ECM and, if necessary, the fuse.” FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : As reported by Cummins, risk of “an unexpected engine stall without the ability to restart the engine may lead to an increased risk of a crash.” Description of the Cause : : As reported by Cummins, “A screw in the supplier’s selective solder fixture backed out of position, pushing an electrolytic capacitor frame into the Printed Circuit Board (PCB) during ECM production.” Identification of Any Warning that can Occur : None Part 573 Safety Recall Report 22V-647 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : Engine Control Module Component Description : Engine Control Module Component Part Number : 5572391 Supplier Identification : Component Manufacturer Name : Cummins, Inc. Address : 500 Jackson St Columbus Indiana 47201 Country : United States Chronology : Chronology of Defect Determination is attached to the case. Description of Remedy : Description of Remedy Program : For all subject vehicles, Cummins dealers will replace the ECM. Hino will track and report completion progress. Customers who have received the “Customer Notification Letter for Recall (C2614)” from Cummins, who may have paid for repairs due to this defect may apply for reimbursement for those repair costs. All pre-notification reimbursement requests for repairs which were performed until a date 10 days after the final customer notification was made will be considered by Hino for reimbursement. Hino will also reimburse all Parts, Labor, and miscellaneous costs directly related to the remedy of this defect. Requests for reimbursement, including paid receipts, should be directed to warranty@hino.com. How Remedy Component Differs from Recalled Component : Remedied component was produced after countermeasure was implemented. Identify How/When Recall Condition was Corrected in Production : According to Cummins, “Vitesco corrected the ECM production assembly process on June 2, 2022. Cummins initiated containment actions at impacted engine plants on June 28, 2022.” Part 573 Safety Recall Report 22V-647 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : OCT 18, 2022 – OCT 18, 2022 Planned Owner Notification Date : OCT 25, 2022 – OCT 25, 2022 * NR – Not Reported

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