Loss of drive from fractured pressure switch
Defect Summary
Nova bus (nova) is recalling certain 2016 lfs and lfs artic buses equipped with specific allison transmission drive units. the pressure switches on these drive units may fail, possibly resulting in a loss of drive.
Safety Consequence
A loss of drive can disable the vehicle unexpectedly, increasing the risk of a crash. additionally, offloading passengers to transfer them to another bus can increase the risk of injury.
Corrective Action
Nova will notify owners, and allison transmissions will replace the c1 and c2 pressure switches, free of charge. the recall began september 15, 2020. owners may contact nova customer service at 1-800-350-6682. nova's number for this recall is cr4943.
Similar Recalls
Other recalls from Nova Bus (us) Inc. or involving Power Train.
FAQ: Recall 20V457000
Your rights, the repair process, and what each field on this page means.
What is recall 20V457000?
NHTSA recall 20V457000 was issued by Nova Bus (us) Inc. on August 5, 2020. It addresses: Loss of drive from fractured pressure switch. The recall affects approximately 34 vehicles, with the defect involving the Power Train component.
How do I get this recall repaired?
Contact any authorized Nova Bus (us) Inc. dealer and reference NHTSA recall ID 20V457000 or the manufacturer campaign number CR4943. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.