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Volvo Bus 9700 Recall 16V836: Relay can fail and stall engine, raising crash risk

NHTSA campaign 16V836, reported November 18, 2016, 583 vehicles potentially affected.

What this recall means for you

The power feed relay that supplies the engine and transmission may be undersized for the application. If the relay fails, the engine can stall unexpectedly, which increases the risk of a crash.

The affected buses were manufactured from January 7, 2008, to August 25, 2016. Volvo Bus will notify owners, and authorized dealers will replace the existing relay with a larger, more robust relay at no charge. The recall began on December 20, 2016. Owners can contact Volvo Bus customer service at 1-877-773-8678 and reference recall SR16-86, and should check their vehicle identification number (VIN) for any open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 16V836Volvo Bus Corporation
Component
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; POWER TRAIN:AUTOMATIC TRANSMISSION
Problem
Volvo Bus Corporation (Volvo Bus) is recalling certain model year 2008-2017 9700 buses manufactured January 7, 2008, to August 25, 2016. The affected vehicles are equipped with a power feed relay for the engine and transmission which may be undersized for the application, causing the relay to fail and the engine to stall.
Risk
An unexpected engine shutdown increases the risk of a crash.
Remedy
Volvo Bus will notify owners, and dealers will replace the existing relay with a larger, more robust, relay, free of charge. The recall began on December 20, 2016. Owners may contact Volvo Bus customer service at 1-877-773-8678. Volvo Bus' number for this recall is SR16-86.
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.

Affected vehicles

Volvo Bus 97002008200920102011201220132014201520162017