ABS, Hill Assist, Traction Control lights on.

[kntom320]

I am getting all three of these lights on every time I touch the brake pedal on my 2011 STI (Cobb intake, Cobb Fuel Pressure regulator). Resets after I restart the vehicle until I use the brake pedal again.

Here is what I have tried so far:
Replaced the brake light switch under the dash.
Reset the ECU
Stock Flashed my ECU (it was on a Cobb Map)
No DTC Codes (tried multiple scanners)
All three brake lights are functioning properly

I have done all of these at least twice, and in various different orders.

Problem began after I flashed the ECU for the stage 1 map from Cobb, but I confirmed that it is still there without the map installed or the AP installed.

I have scoured the internet for other solutions but the only other suggestions are steering wheel sensor or wheel speed sensor but I am skeptical.

I thought about a faulty wiring harness but the brake lights are working so again I am skeptical.

 

[Ecmbuster]

Automatic ? Standard?
"No DTC Codes (tried multiple scanners)"
Explain scanners.
Subaru uses the SSM protocol for detailed diagnostics and OBD II is not going gather the required information.
That particular model also has a CAN network.
Therefore the ABS with a TCM is an integral part of how the ECM behaves or misbehaves.
Skepticism is not a measurement. Try these:

Free SSM 1.2.5 is PC based and working on older Subaru models without CAN, only K-Line.
Works with XP, Windows 7 and Windows 10. The application will access SSM full Engine and Transmission diagnostics.
Link: https://sourceforge.net/projects/freessm.berlios/files/latest/download
USB Cables used:
VAG-K + CAN USB (at times called KKL or K plus CAN)
OR (FTDI) FT232BL USB
Examples of operation:

Subaru FreeSSM – Complete DIY ECU and TCM Management | AutoInstruct

We show you how to use FreeSSM, a complete DIY tool for ECU and TCM Management of your Subaru vehicle. It provides access to the ECU and TCM for Legacy, Liberty, Outback, Baja, Impreza, Forester and Tribeca models of MY1999 or greater.

www.autoinstruct.com.au

Android Tools used:
JDMscan Application: https://play.google.com/store/apps/details?id=dksoft.jdmscan&gl=US
USB Cables used:
VAG-K + CAN USB
OR (FTDI) FT232BL USB with OTG cable if Android supported

ActiveOBD Application Android

ActiveOBD - Apps on Google Play

Multi function display app for Subaru vehicle MY 2012+ (not official)

play.google.com

Bluetooth OBDLink MX +

ActiveOBD Application iOS version

ActiveOBD

The OBDII scanner app with a special support of Subaru (MY2012+) make. It's the next-generation product based on our well-known "ActiveOBD for Subaru" app bringing its best features to iOS users. A compatible OBD adapter is required. Premium-level adapters supported (best speed and stability)...

apps.apple.com

Requires high quality BlueTooth device such as Bluetooth OBDLink MX +

You're welcome.

 

[kntom320]

Automatic ? Standard?
"No DTC Codes (tried multiple scanners)"
Explain scanners.
Subaru uses the SSM protocol for detailed diagnostics and OBD II is not going gather the required information.
That particular model also has a CAN network.
Therefore the ABS with a TCM is an integral part of how the ECM behaves or misbehaves.
Skepticism is not a measurement. Try these:

Free SSM 1.2.5 is PC based and working on older Subaru models without CAN, only K-Line.
Works with XP, Windows 7 and Windows 10. The application will access SSM full Engine and Transmission diagnostics.
Link: https://sourceforge.net/projects/freessm.berlios/files/latest/download
USB Cables used:
VAG-K + CAN USB (at times called KKL or K plus CAN)
OR (FTDI) FT232BL USB
Examples of operation:

Subaru FreeSSM – Complete DIY ECU and TCM Management | AutoInstruct

We show you how to use FreeSSM, a complete DIY tool for ECU and TCM Management of your Subaru vehicle. It provides access to the ECU and TCM for Legacy, Liberty, Outback, Baja, Impreza, Forester and Tribeca models of MY1999 or greater.

www.autoinstruct.com.au

Android Tools used:
JDMscan Application: https://play.google.com/store/apps/details?id=dksoft.jdmscan&gl=US
USB Cables used:
VAG-K + CAN USB
OR (FTDI) FT232BL USB with OTG cable if Android supported

ActiveOBD Application Android

ActiveOBD - Apps on Google Play

Multi function display app for Subaru vehicle MY 2012+ (not official)

play.google.com

Bluetooth OBDLink MX +

ActiveOBD Application iOS version

ActiveOBD

The OBDII scanner app with a special support of Subaru (MY2012+) make. It's the next-generation product based on our well-known "ActiveOBD for Subaru" app bringing its best features to iOS users. A compatible OBD adapter is required. Premium-level adapters supported (best speed and stability)...

apps.apple.com

Requires high quality BlueTooth device such as Bluetooth OBDLink MX +

You're welcome.

Thank you that was more helpful than anything I hoped for.

I will attempt to use this to get info from my ECU. Software is not my specialty so we’ll see how this goes.

To answer your questions,
Standard (do they make automatic STI’s?) “scanners” just meant the Cobb AP and an OBD II scanner I got from a car parts store.