2012 Subaru Legacy: check engine light

5 of the 90 complaints about the 2012 Subaru Legacy describe check engine light.

owner complaints: 5
of this car's complaints: 6%
typical mileage: 100,000
recalls: 0

Is there a fix? 47 service bulletins cover this area of the car. See below

Check engine light by model year

2021
5
2020
4
2019
1
2018
1
2017
2
2016
3
2015
4
2014
2
2013
4
2012
5
2011
7
2010
9
2009
1
2008
3
2006
30
2005
11
2004
3
2003
2
2002
4
2001
2
2000
5
1999
4
1998
5
1997
6
1996
6
1995
3
1992
1
1991
2

What owners say

Filed Sep 27, 2019 · Transmission · 111,504 miles · MI

The car is stalling when coming to a stop. As you slow down the vehicle shutters, and then stops. The awd, check engine, traction, battery, oil, at oil temp all light up. You have to put the car into park to restart the engine. This happened in the middle of an intersection. This happened twice in the day.

Filed Mar 19, 2019 · Brakes, Driver assistance · 100,000 miles · OH

Tl* the contact owns a 2012 subaru legacy. While driving various speeds, the check engine, cruise control, brake, and traction control warning indicators illuminated continuously. The vehicle was taken to subaru of dayton (995 miamisburg centerville rd, washington township, oh 45459) multiple times. The dealer diagnosed that the oil fuel cap was loose and the oxygen and an unknown sensor needed to be replaced. The vehicle was repaired, but the failure recurred. The manufacturer was not notified of the failure. The VIN and failure mileage were unknown. *bf VIN is invalid. Manufacturer has been notified and suggested buying a new car. Consumer stated dealership says oxygen sensors are vending correctly following month dealership stated sensors are bad. Dealership does not know what is wrong with the vehicle.

Filed May 4, 2017 · Acceleration, Electrical · 150,000 miles · OH

Vehicle has an electrical failure that causes the dash check engine, brake, cruise and other lights to activate. While driving, the failure causes: one or both headlights to suddenly fail making the vehicle illegal and dangerous to drive at night, cruise control to suddenly fail, and stability control to become non-functional. The main failure being the headlights/daytime running lights could cause injury or death due to sudden lack of visibility at night. Subaru was unable to diagnose/fix the failure on 2 service occasions. This failure occurs without warning while the vehicle is in motion at both highway speeds and city street speeds. The component causing the failure is unknown.

Filed Sep 4, 2014 · Engine · 45,000 miles · NY

The check engine light goes on and then causes the brake, traction and cruise lights to flash. The lights will go off after some time, not consistently. Spark plugs replaces two (2) coils replaced still no resolution.

Filed May 21, 2014 · Engine · 45,000 miles · NY

The check engine light goes on and then causes the brake, traction and cruise lights to flash. The lights will go off after some time, not consistently. No authorized subaru dealer has been able to identify the cause or even record the event.