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NHTSA campaign 16V738000 · Subaru campaign WTM-73

Subaru Recall 16V-738: Power Relay may Fail Allowing Air Pump to Overheat

NHTSA recall 16V738000 (Subaru campaign WTM-73) was reported by Subaru of America, Inc. on October 13, 2016, with 100,127 vehicles potentially affected (per NHTSA). NHTSA's record lists the Subaru Impreza, Subaru Forester, Subaru Legacy and more for model years 2007–2014. Owners were notified on December 16, 2016, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 16V738000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Subaru VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
16V738000 (also written 16V-738 or 16V738)
Filed by
Subaru of America, Inc.
Subaru campaign number
WTM-73
Report received
Potentially affected
100,127 vehicles (per NHTSA)
Component
Electrical System
Owners notified

Repair completion: 60.9% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 16V738000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Subaru

  • Subaru Forester

  • Subaru Impreza

  • Subaru Legacy

    • 2007, 2008, 2009 · Vehicles built December 8, 2005 – October 27, 2008 (per NHTSA)

  • Subaru Outback

    • 2007, 2008, 2009 · Vehicles built December 8, 2005 – October 23, 2008 (per NHTSA)
All Subaru recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 16V738000.

Defect description

Subaru of America, Inc. (Subaru) is recalling certain model year 2007-2009 model year Legacy and Outback vehicles, 2008-2014 Impreza vehicles and 2009-2013 Forester vehicles, all equipped with turbo-charged engines. The relay that controls the secondary air injection pump may fail, causing the pump to continuously operate and overheat.

Safety consequence

If the air injection pump overheats, it may melt and increase the risk of a fire.

Manufacturer remedy

Subaru will notify owners, and dealers will replace the secondary air injection pump relay, free of charge. The recall began December 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTM-73.

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.

Sources

Official NHTSA notice for recall 16V738000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.