Defect: 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.
Consequence: Loss of drive power increases the risk of a crash.
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.
Defect: 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 (excerpt)
Consequence: A loss of drive power increases the risk of a crash. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Investigations
0 investigations; 0 open.
Manufacturer communications
2 manufacturer communications.
Communications by system
System
Count
Electrical
2
11024633
Date: 2025-10-01. Type: Over The Air. Systems: FUEL/PROPULSION SYSTEM.
Software release 3.4.0.A is an over-the-air (OTA) quality action to improve driver experience, vehicle performance, and vehicle diagnostics. Summary of Changes a ? Digital display firmware upgrade. a ? Improve digital display menu navigation. a ? Driver feedback for pending gear selection. a ? Impro
Motiv Power Systems, Inc. has determined that on certain vehicles converted to a Motiv Gen 4 E-450, F-59 and Gen 5 F-59 and F-53 model powertrain, 12-volt power wires crimped to a ring terminal on the master disconnect switch under the hood could deteriorate over time and lose connection from the cr
Notes on this record
Complaints from the API and bulk file are merged and deduplicated by ODI number; the API alone misses records.
System and subsystem counts are numbers of distinct complaints, recalls or communications that name them. One record can name several systems, so shares across systems can add to more than 100 percent; a single share never exceeds 100 percent.
Recalls are counted once per campaign, investigations once per action and manufacturer communications once per NHTSA id, even when NHTSA lists several model names for the same record.
A sales denominator is a calendar-year proxy, not the population of vehicles still in use. Rates are copied from verified pipeline output.
NHTSA's complaints API and bulk file list no complaint for this make, model and model year in this data build.