2015–2020 Volvo Bus 9700 Recall: Transmission C1 hub may fail which may lead to a disabled vehicle
NHTSA campaign 20V803000 · Power Train · filed Dec 21, 2020 · verified Jul 30, 2026
The defect
Volvo Bus Corporation (Volvo Bus) is recalling certain 2015-2020 9700 buses. The transmission C1 hub may fail which may lead to a disabled vehicle.
The risk
A disabled bus may require passengers to transfer to a different bus on the side of the road, increasing the risk of injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Volvo Bus will notify owners, and dealers will update the Transmission Control Module (TCM) calibration software, free of charge. The recall is expected to begin February 12, 2021. Owners may contact Volvo Bus customer service at 1-866-870-2046.
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.
Affected vehicles
Related recalls
More Volvo Bus 9700 recalls
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Other campaigns involving Volvo Bus vehicles
Source: NHTSA recall database, campaign 20V803000 (manufacturer number SR21-81; SR21-80). Data last verified Jul 30, 2026.