Parasitic Draw Security System Page 2 Subaru Outback I am dealing with 2016 outback parasitic drain for 7.5 years and subaru gave me extended warranty already 4 years ago , prior class action lawsuit. i had to buy 4 batteries and have only 30000 miles. took my car to two different subaru dealers in colorado more than 8 times, once they had it for 3 weeks and they claimed everything is fine and. Plain om said: if the security light does not flash in your outback when the key is out but the doors are not locked, that might be a clue to a fault in the security immobilizer keyless entry system. that fault might be drawing excessive current. . . . the security light flashes as per the manual and as you describe.
Parasitic Draw Security System Subaru Outback Forums Want people to stop needing to ask what exact car you have? year model engine trans, scroll down to "vehicle details" at this link: subaru outback forums retired outbacks: 2002 2.5 limited sedan, 2000 2.5 wagon. 😲 like to eat ? and keep eating ? global movement to #savesoil ( i seen him on the daily show ) 🍎. The huge 1.4 amp draw, well above the industry accepted 20 75 ma (milliamp) or 0.020 0.075 amp parasitic current draw, may be starlink calling 'home' and not the head unit. a simple way to troubleshoot this if in fact the data communications module (dcm) is incorrectly turned on and drawing the 1.4 amps or less of transmitting power, would be. I have a similar problem. i found my 2018 crosstrek battery had issues starting the car if i didn't drive it for a week or more. checking the battery i found it would only stay charged to 12.2 volts. looking further, there is a parasitic draw of 150 ma which probably led to the battery needing to be replaced. Drive the car around to fully charge the battery. test the voltage on the battery before and after. drive the car around again to fully charge the battery. pull fuse #9 dcm. test the voltage on the battery before and after. this wouldn't give me an exact measurement and i can't see the draw directly, but at least i can help isolate the issue.
Here S How To Do A Parasitic Draw Test The Drive I have a similar problem. i found my 2018 crosstrek battery had issues starting the car if i didn't drive it for a week or more. checking the battery i found it would only stay charged to 12.2 volts. looking further, there is a parasitic draw of 150 ma which probably led to the battery needing to be replaced. Drive the car around to fully charge the battery. test the voltage on the battery before and after. drive the car around again to fully charge the battery. pull fuse #9 dcm. test the voltage on the battery before and after. this wouldn't give me an exact measurement and i can't see the draw directly, but at least i can help isolate the issue. A parasitic draw test showed about 372ma of draw after all systems get booted up. now my old school car maintenance says 372ma is too much, but this outback has quite a few computers and such. does anyone know what is typical draw for 2017 subaru outback touring 2.5i. just trying to make sure i won't be chasing ghosts if 372ma is within normal. Been really struggling with this parasitic draw. so ill recap everything i did and where i narrowed it down to. so i did the standard milliamp test on the battery found system pulling a constant 433 milliamps. i started by pulling every fuse one by one inside the car and out. pulled all the relays disconnected every connection inside the car.
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