Stability control issue. HELP! - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Bellzebubfrs · 03-23-2023, 05:24 PM

Hi, so I have a 2013 scion FRS I track. In October I wrecked it and I got it back driving recently, but theres a problem with the stability control. When I take some corners at speeds I did before the accident (the car is planted not sliding out or even close to) the stability control will activate sporadically and make the car becomes unstable. My buddy in a mechanics trade program say it might be a yaw sensor, but I can't find anything about that anywhere. Does anyone have any idea what's going on?

(Edit) also it only really happens when doing sharper turns, so could it be a steering position sensor? I just don't wanna drop a ton of money on something that may not be the problem.

RZNT4R · 03-23-2023, 06:47 PM

Both the Yaw sensor (internal to the ABS/ESC control unit) and the steering angle sensor can be re-initialized with a scan tool that has OEM-level access.

If there are no diagnostic trouble codes, that's an easy first step.

Yoshoobaroo · 03-23-2023, 07:24 PM

Quote:

Originally Posted by Bellzebubfrs

-the stability control will activate sporadically and make the car becomes unstable-

That's not how traction control works though, unless something is really really wrong.

What's far more likely is that your alignment is different from before the crash.
Do you have a printout of the current alignment? Or from before the crash for that matter?

Opie · 03-26-2023, 11:16 AM

Re-calibrate the steering angle sensor!

03-23-2023, 05:24 PM	#1
Bellzebubfrs Junior Member Join Date: Mar 2023 Drives: Scion frs salvage title now Location: Spokane, WA Posts: 1 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Stability control issue. HELP! Hi, so I have a 2013 scion FRS I track. In October I wrecked it and I got it back driving recently, but theres a problem with the stability control. When I take some corners at speeds I did before the accident (the car is planted not sliding out or even close to) the stability control will activate sporadically and make the car becomes unstable. My buddy in a mechanics trade program say it might be a yaw sensor, but I can't find anything about that anywhere. Does anyone have any idea what's going on? (Edit) also it only really happens when doing sharper turns, so could it be a steering position sensor? I just don't wanna drop a ton of money on something that may not be the problem. Last edited by Bellzebubfrs; 03-23-2023 at 05:47 PM.

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03-23-2023, 06:47 PM	#2
RZNT4R Professional Mechanic Join Date: Apr 2010 Drives: 2017 86 6MT Oceanic Location: Quebec, Canada Posts: 789 Thanks: 17 Thanked 634 Times in 371 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	Both the Yaw sensor (internal to the ABS/ESC control unit) and the steering angle sensor can be re-initialized with a scan tool that has OEM-level access. If there are no diagnostic trouble codes, that's an easy first step.

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