NHTSA Recall 20V457000: Automatic transmission (power train)
Nova Bus reported this safety recall to NHTSA on , covering an estimated 34 vehicles. It affects 2 models including the Nova Bus Lfs.
| NHTSA campaign | 20V457000 |
|---|---|
| Manufacturer campaign | CR4943 |
| Component | POWER TRAIN › AUTOMATIC TRANSMISSION |
| Report received | August 5, 2020 |
| Owner notification | September 15, 2020 |
| Initiated by | Manufacturer |
Defect
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 risk
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.
Remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Vehicles covered by recall 20V457000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.