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Old 04-19-2021, 10:01 AM   #1
Scooby Newbie
Member#: 383737
Join Date: Mar 2014
Location: Los Angeles
07 WRX
Royal Rally Blue

Default 07 WRX Dash airbag and ABS light intermittent

Been trying to figure out the possible issues with this one. On cold start, my airbag light will turn on and all the electrical / aux stuff with feel like it's in limp mode. My windshield wipers move super slow, regardless of the speed setting and the windows will also be super slow. After about a minute, my ABS light will turn on as well and that will restart the radio multiple times until the light goes out. Usually after about 15 min. The airbag light will remain though. I've tried pulling the codes at autozone as well as with my Accessport, but no codes populate.
Once the ABS light turns off, the wipers and windows function normally.
The car drives and functions without any issues mechanically. I imagine it most likely is an issue with diodes in the alternator but I'm not very familiar with electrical issues.

Its a 2007 WRX with
Grimmspeed catted DP, cobb BCS, and
a tune done from a previous state I lived in a few years ago. It has a red top optima battery that's just about 1 year old.

Any advice or support would be greatly appreciated.

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