Thread: P0021 code??
View Single Post
Old 04-26-2017, 09:49 PM   #47
Dreamtribejay
Scooby Newbie
 
Member#: 432274
Join Date: Oct 2015
Chapter/Region: MWSOC
Location: Kalamazoo MI
Vehicle:
2011 Forester
Silver

Default

Quote:
Originally Posted by Subie_ View Post
They're high speed switching transistors that control the oil control valves. If one is toasty then the corresponding AVCS will not function and you're in for a new ECU.
They're unlikely to fail, but super easy to check.
Ive never removed a ecu but im sure it cant be to bad. Ill see if i get some free time tomorrow and do it.
* Registered users of the site do not see these ads.
Dreamtribejay is offline   Reply With Quote