Electrical system: propulsion system: fuses, relays, contacts, and shunts
Manufacturer
Motiv Power Systems
Vehicles affected
3
Reported to NHTSA
2025-04-21
Owners notified
2025-06-09
Defect description
Motiv Power Systems, Inc. (Motiv) is recalling certain 2020 F-59 school buses equipped with a Motiv Gen 5 EPIC powertrain. A support bracket may fatigue and break, allowing the main power disconnect to contact other structures and short.
Safety risk
An electrical short can shut down the high voltage system, resulting in a loss of drive power and increasing the risk of a crash.
Manufacturer remedy
Motiv field support technicians will replace the bracket, free of charge. Owner notification letters were mailed June 9, 2025. Owners may contact Motiv customer service at 1-650-458-4804.
Motiv Power Systems, Inc. (Motiv) is recalling certain 2017-2020 E-450 and F-59 school buses with Gen 4 EPIC powertrain, and 2020-2023 E-450, F-59, and F-53 school buses with a Gen 5 EPIC powertrain. A throttle position sensor (TPS) power wire connector pin may loosen, causing a loss of signal to the powertrain control module and a loss of drive power.
Safety risk
Loss of drive power increases the risk of a crash.
Manufacturer remedy
Motiv field support technicians will inspect and repair, or replace the PCM connector, free of charge. Owner notification letters were mailed April 23, 2025. Owners may contact Motiv customer service at 1-650-458-4804.
Motiv Power Systems, Inc. (Motiv) is recalling certain 2017-2020 F-59 school buses equipped with a Motiv Gen 4 EPIC and 2020-2023 F-59 school buses equipped with a Motiv Gen 5 EPIC powertrain. The wiring harness may be missing a heat shrink insulator and retention clip. The 12-volt control wires may deteriorate and loosen, causing a loss of connection to the high voltage (HV) batteries and drive power.
Safety risk
A loss of drive power increases the risk of a crash.
Manufacturer remedy
Motiv field support technicians will inspect and correct or replace any 12-volt control wires showing signs of fatigue, cracking, or improper retention or protection as necessary, free of charge. Owner notification letters were mailed November 21, 2024. Owners may contact Motiv customer service at 1-650-458-4804.
Motiv Power Systems, Inc. (Motiv) is recalling certain 2021-2023 F-450 and 2020 F-59 school buses equipped with a Motiv Gen 5 EPIC powertrain. The vehicle control software could misclassify a loss of isolation between the chassis and high voltage system, shutting down the high voltage (HV) batteries.
Safety risk
The shutdown of the HV batteries can cause a loss of steering and brake power assist, and drive power, increasing the risk of a crash.
Manufacturer remedy
Motiv will release an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed September 5, 2024. Owners may contact Motiv customer service at 1-650-458-4804.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
No complaints recorded for this model year.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.