Electrical Short Circuit May Cause Engine Stall – 2022 Spartan Fire MetroStar Fire Truck

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Spartan Fire, LLC IMPORTANT: Safety Recall SAFETY – RECALL – 22004 (22V-625) Dear Final Stage Manufacturer, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Spartan Fire, LLC has decided that a defect which relates to motor vehicle safety exists in certain 2022 model year MetroStar model Emergency Response chassis cabs. What is the defect? On the affected vehicle, the ECMs 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. An unexpected engine stall without the ability to restart the engine may lead to an increased risk of a crash. Corrective Action: Vehicles subject to this recall are to be inspected and repaired by a Cummins certified dealer or technician. Replacement of the ECM will take approximately 4 – 5 hours. There is no cost to the vehicle owner for the recall remedy. What should the final stage manufacturer do? On the attached document, you will find the chassis cab Spartan has sold to you. If you agree the identified chassis contains a safety defect, you are reminded of your responsibility to notify the National Highway Traffic Safety Administration (NHTSA) in accordance with 49CFR573. It is a violation of federal regulation to sell a vehicle subject to a safety recall without the recall first being remedied. If Cummins has not already reached out, please contact your local Cummins Distributor to perform the remedy. You may also contact Cummins Care at 1-800- CUMMINS (1-800-286-6467) or visit our website at care.cummins.com. Reference 22E-063. Spartan Fire, LLC What will Spartan Fire, LLC do? Cummins will contact all owners of these units that are affected by this recall. They will be directed to the appropriate service provider for repair. For questions regarding warranty claims, please call 1-800-867-6478. We regret any inconvenience this situation may cause. Spartan is committed to customer safety and satisfaction. Sincerely,

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-625 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Spartan Fire, LLC Submission Date : SEP 06, 2022 NHTSA Recall No. : 22V-625 Manufacturer Recall No. : 22004 Manufacturer Information : Manufacturer Name : Spartan Fire, LLC Address : 1541 Reynolds Road Charlotte MI 48813 Company phone : 517-588-4700 Population : Number of potentially involved : 1 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Spartan Fire MetroStar Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : The emergency response cab chassis affected by this recall is equipped with an engine that is subject to Cummins recall 22E-063. Cummins supplied Engine Serial Numbers that were traced to the affected cab chassis. Quantity 1 – MetroStar 2022 truck affected Production Dates : JUL 27, 2022 – JUL 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : 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 : An unexpected engine stall without the ability to restart the engine may lead to an increased risk of a crash. Description of the Cause : 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-625 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : Module, Electronic Control Component Description : Engine Control Module Component Part Number : Unknown Supplier Identification : Component Manufacturer Name : Vitesco Address : 2400 Executive Hills Blvd Auburn Hills Michigan 48326 Country : United States Chronology : Refer to NHTSA Recall 22E-063 for the Cummins chronology. On August 4, 2022 – Spartan Fire received communication from Cummins about recall 22E-063. An investigation was started and a population identified, as well as a stop ship put in place. On August 5, 2022 – Escalated the issue to REV Group Management. August 11, 2022 – REV’s senior leadership approved a voluntary recall for this issue. Description of Remedy : Description of Remedy Program : Cummins will replace the ECM to complete the remedy. The affected emergency response cab chassis is still within their warranty period and would not be subject to reimbursement. How Remedy Component Differs from Recalled Component : Cummins has not provided that information. Identify How/When Recall Condition was Corrected in Production : Vitesco corrected the ECM production assembly process on June 2, 2022. Cummins initiated containment actions at impacted engine plants on June 28, 2022. Recall Schedule : Description of Recall Schedule : Spartan to begin final stage manufacturer notification by week of September 5, 2022. Part 573 Safety Recall Report 22V-625 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Planned Dealer Notification Date : AUG 22, 2022 – AUG 26, 2022 Planned Owner Notification Date : SEP 05, 2022 – SEP 09, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-625 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Spartan Fire, LLC Submission Date : AUG 15, 2022 NHTSA Recall No. : 22V-625 Manufacturer Recall No. : 22004 Manufacturer Information : Manufacturer Name : Spartan Fire, LLC Address : 1541 Reynolds Road Charlotte MI 48813 Company phone : 517-588-4700 Population : Number of potentially involved : 1 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Spartan Fire MetroStar Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : The emergency response cab chassis affected by this recall is equipped with an engine that is subject to Cummins recall 22E-063. Cummins supplied Engine Serial Numbers that were traced to the affected cab chassis. Quantity 1 – MetroStar 2022 truck affected Production Dates : JUL 27, 2022 – JUL 27, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : 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 : An unexpected engine stall without the ability to restart the engine may lead to an increased risk of a crash. Description of the Cause : 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-625 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : Module, Electronic Control Component Description : Engine Control Module Component Part Number : Unknown Supplier Identification : Component Manufacturer Name : Vitesco Address : 2400 Executive Hills Blvd Auburn Hills Michigan 48326 Country : United States Chronology : Refer to NHTSA Recall 22E-063 for the Cummins chronology. On August 4, 2022 – Spartan Fire received communication from Cummins about recall 22E-063. An investigation was started and a population identified, as well as a stop ship put in place. On August 5, 2022 – Escalated the issue to REV Group Management. August 11, 2022 – REV’s senior leadership approved a voluntary recall for this issue. Description of Remedy : Description of Remedy Program : Cummins is currently developing the remedy for the recalled units. The affected emergency response cab chassis is still within their warranty period and would not be subject to reimbursement. How Remedy Component Differs from Recalled Component : Cummins has not provided that information. Identify How/When Recall Condition was Corrected in Production : Vitesco corrected the ECM production assembly process on June 2, 2022. Cummins initiated containment actions at impacted engine plants on June 28, 2022. Recall Schedule : Description of Recall Schedule : Spartan to begin final stage manufacturer notification by week of August 29, 2022. Part 573 Safety Recall Report 22V-625 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Planned Dealer Notification Date : AUG 22, 2022 – AUG 26, 2022 Planned Owner Notification Date : AUG 29, 2022 – SEP 02, 2022 * NR – Not Reported

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