Brake pressure sensor

pass1over

I like it LOW
Joined
Oct 9, 2011
Posts
1,734
Reaction score
375
Location
Trenton, FL
Can you give more detail on loading your data into it?

I saved my ASBUILT data from my ABS unit onto my laptop. You go into PATS, Module Initialization, and then click ABS module. It will initialize it through a approx. 12min process and then you can import your ASBUILT data into the new module.

If you just install the used module, you'll get more codes than you started with as the car doesn't recognize it.
 

DieHarder

Senior Member
Joined
Nov 9, 2019
Posts
1,851
Reaction score
1,073
I saved my ASBUILT data from my ABS unit onto my laptop. You go into PATS, Module Initialization, and then click ABS module. It will initialize it through a approx. 12min process and then you can import your ASBUILT data into the new module.

If you just install the used module, you'll get more codes than you started with as the car doesn't recognize it.

^^^ It's shit like this that makes this forum worth everyone's time. :snoopy
 

pass1over

I like it LOW
Joined
Oct 9, 2011
Posts
1,734
Reaction score
375
Location
Trenton, FL
ok, so I got about 7 months out of this one and the code came back on me today. Got in my car to leave work and DTCs. It was fine otw to work and during lunch/errands.

What are the chances that it's just another old unit and it went bad?
OR
What could be causing damage or whatever the case may be, to the brake pressure sensor in the ABS module? I can get another one and try again, but if there is something causing this, I'd like to fix that first.
 

JEWC_Motorsports

S197 Junkie
Joined
Aug 22, 2010
Posts
20,594
Reaction score
1,713
Location
Texas
From all of my reading its a junk unit. I disconnected a abs sensor at the wheel and will just drive it that way.
 

pass1over

I like it LOW
Joined
Oct 9, 2011
Posts
1,734
Reaction score
375
Location
Trenton, FL
I can get another used abs unit from an 11-14 GT for $99+shipping. I think the previous one I bought was a match on the ABS module, but I'd have to look into it, can't remember that far back, but I know I have it in my toolbox at least.

Since the pressure sensor is in the HCU, I believe that one from any 11-14 GT should work. I'll update with what I find out. I can't stand having lights on my dash.

The only other thing I can think of is maybe its dirty/contaminated fluid? Since it's a pressure sensor, maybe it's getting clogged or something? I was going to do a fluid flush before replacing the HCU just in case.
 

JEWC_Motorsports

S197 Junkie
Joined
Aug 22, 2010
Posts
20,594
Reaction score
1,713
Location
Texas
I've talked to a few people and the problem for the most part is the circuit board. From my understanding you can take it apart and resolder it. I was told it's obvious. I havent done it yet but may.
 

pass1over

I like it LOW
Joined
Oct 9, 2011
Posts
1,734
Reaction score
375
Location
Trenton, FL
this problem is in the HCU, not the ABS module AFAIK. I took one of the ABS modules apart and nothing stood out to me as being fried or needing to be re-soldered. But I will look more into it again.

Do you have any diagrams or descriptions of what needs to be re-soldered on the board?
 

pass1over

I like it LOW
Joined
Oct 9, 2011
Posts
1,734
Reaction score
375
Location
Trenton, FL
Replaced just the HCU, cycled the key twice and codes are gone.

So it's not the actual abs module it's the HCU. Is rather it was the module, no brake fluid to deal with.

Any year should work. This one was from a 2014 GT.
 
Last edited:

pass1over

I like it LOW
Joined
Oct 9, 2011
Posts
1,734
Reaction score
375
Location
Trenton, FL
Freedom parts outlet . Com

Forscan might of reset the codes, it gave me an error because I hit ok before cycling the key, but when I reconnected they were gone.

After install I did an abs bleed with forscan then manually bled.
 

CCS86

Member
Joined
May 18, 2012
Posts
148
Reaction score
2
Man, my 2012 just did this yesterday. Had been just sitting a lot recently and popped up right when I started it. Thanks for posting all your efforts here @pass1over

Looks like I'll be shopping for an HCU.

Am I reading right that it ended up being a simple swap and not needing the reprogramming?

What was the part number? It's not this guy, is it? CR3Z-2C215-A
 

pass1over

I like it LOW
Joined
Oct 9, 2011
Posts
1,734
Reaction score
375
Location
Trenton, FL
Man, my 2012 just did this yesterday. Had been just sitting a lot recently and popped up right when I started it. Thanks for posting all your efforts here @pass1over

Looks like I'll be shopping for an HCU.

Am I reading right that it ended up being a simple swap and not needing the reprogramming?

What was the part number? It's not this guy, is it? CR3Z-2C215-A

that looks like it. I bought an entire used ABS module unit and just took the HCU off of it.
 

CCS86

Member
Joined
May 18, 2012
Posts
148
Reaction score
2
that looks like it. I bought an entire used ABS module unit and just took the HCU off of it.

I'm seeing ER3Z-2C215-A listed as the superseding part number. It looks like those came on the 13-14s. You found that they were compatible with the 2012, right?

Just bolt on and bleed?
 

CCS86

Member
Joined
May 18, 2012
Posts
148
Reaction score
2
I'm wondering if I have the same issue or not. I just brought the car out for a test and the ABS works perfectly. The only issue I can see is that traction control seems disabled, but stability control is still on and can't be disabled with a long-press of the button (super annoying). If it was the ABS module with a fault, would the ABS and stability control really function perfectly?
 

Juice

Senior Member
Joined
Aug 24, 2017
Posts
5,024
Reaction score
2,149
I'm wondering if I have the same issue or not. I just brought the car out for a test and the ABS works perfectly. The only issue I can see is that traction control seems disabled, but stability control is still on and can't be disabled with a long-press of the button (super annoying). If it was the ABS module with a fault, would the ABS and stability control really function perfectly?
Tuned? Traction control can be disabled permanently in the tune.
 

CCS86

Member
Joined
May 18, 2012
Posts
148
Reaction score
2
Tuned? Traction control can be disabled permanently in the tune.

Yes, definitely tuned (PD blower, 720 WHP)

Sort of, if I remember right the Hp Tuners version of TC disable seems to involve lying to the PCM about the engine displacement which creates an error.

At least when I was daily driving this car, I really wanted to be able to turn the nannies back on and relax.
 

Latest posts

Support us!

Support Us - Become A Supporting Member Today!

Click Here For Details

Back
Top