R18ZF-NSB – Throttle Input may not be Blocked as Expected – 2017-2018 Blue Bird Vision Transit Buses

NHTSA Campaign Number: 18V258
Manufacturer Blue Bird Body Company
Components VEHICLE SPEED CONTROL
Potential Number of Units Affected 12

Throttle Input may not be Blocked as Expected

If throttle input is allowed, the bus may be able to overpower the applied brake, causing the bus to move unexpectedly, increasing the risk of a crash or an injury.

Summary

Blue Bird Body Company (Blue Bird) is recalling certain 2017-2018 Blue Bird Vision transit buses equipped with Gen4 Ford engines with an optional brake and throttle interlock. The brake and throttle interlock is supposed to apply the service brakes and prevent accelerator pedal input when activated, however the throttle input is not being blocked.

Remedy

Blue Bird will notify owners, and dealers will update the Smart Relay Module software, free of charge. The recall is expected to begin in May 2018. Owners may contact Blue Bird customer service at 1-478-822-2242. Blue Bird’s number for this recall is R18ZF-NSB.

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.

Recall Acknowledgement

May 17, 2018

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