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06-18-2012, 10:30 AM
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#1 |
 
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P0556 code
I just got my 2011 camaro magnacharged. I absolutely love it. But, when I got it home I drove it around for a little while and the CEL came on. The code was P0556, and it says brake booster Pressure sensor.
Do any of y'all know what this might mean? |
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06-18-2012, 11:32 AM
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#2 |
    
Drives: 2010 CAMARO SS Join Date: Apr 2010
Location: ohio
Posts: 1,360
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sounds like the line to the brake booster was not re-connected
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06-18-2012, 03:39 PM
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#3 |
 Drives: Chev Lumina 416 Join Date: Apr 2010
Location: South Africa
Posts: 22
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There is a pressure sensor in the brake booster and gets compared to the pressure in the manifold and sets the code if it sees a difference.
You have to switch the code off in the ECM
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06-19-2012, 06:45 PM
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#4 |
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Drives: 2010 SS Join Date: Jul 2011
Location: Midland, Tx
Posts: 25
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I've had the same code pop up a few times. I just clear it with my SCT and move on. Hasn't come back lately.
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2010 2SS
TVS 2300 w/ OD Cog & 3.0 pulley,Maggie Max Stage 2, Innovators West 10%OD 8 rib kit, 3500 stall converter, JRE Rough Idle Blower Cam, Dynomaxx Headers, ID-850 Injectors, LPE dual fuel pump, CAI Intake w/ race scoop |
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06-20-2012, 09:09 AM
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#5 |
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Account Suspended
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P0556
The ECM detects brake booster vacuum as being less than the intake manifold vacuum for more than 100 milliseconds. |
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08-04-2012, 07:37 AM
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#6 | |
Drives: 85 Vette, 07 Escalade ESV, 03 GMC, Join Date: Nov 2009
Location: Austin, TX
Posts: 927
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Quote:
What could be the causes of this code and what is the remedy?
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 ADM Performance installed and tuned: Maggie, Stainless Works Power LTs, ADM race cai, ADM ZL1 scoop Whiteside Customs Super Street 2 Package w/ coilovers BC Racing Coilovers and lowered, Whiteline Bushings & Swaybars MBRP catback exhaust, ZL1 bumper conversion, Drake billet shifter, Hurst paddles, NLP rear spoiler, OEM GFX, Vis Racing hood, ASA GT5 wheels |
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08-04-2012, 07:40 AM
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#7 |
 
Drives: 550+RWHP 2010 camaro Join Date: Sep 2007
Location: wisconsin
Posts: 1,588
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just have your tuner turn the code off, set to no error report
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415ci stroker, TVS 2300 Magnacharger, cnc heads, cam, yank ss3200 converter, Kooks long tubes, Bwoody true cold air kit, ZL1 Pump, magnaflow 3" cat-back, lowering springs,BMR control arms and tie rod bars, 3.73 gears, diff mounts, RX can, ADM fuel controller
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08-04-2012, 04:39 PM
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#8 | |
 
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,225
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Quote:
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www.jannettyracing.com
Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
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08-04-2012, 04:49 PM
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#9 | |
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NJ/SoCal HT5 COTW 3/25/12
Drives: 2015 Z06/14 C7/08 Z06/07 Tahoe Z71 Join Date: Nov 2011
Location: South Jersey & SoCal
Posts: 1,961
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Quote:
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 Built by Late Model Racecraft Fastest C7 in Tri-State 10.13 @ 134mph 7/26/14 Corvette Challenge Raceway Park, E-Town, NJ |
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08-04-2012, 06:51 PM
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#10 | |
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Drives: 85 Vette, 07 Escalade ESV, 03 GMC, Join Date: Nov 2009
Location: Austin, TX
Posts: 927
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Quote:
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ADM Performance installed and tuned: Maggie, Stainless Works Power LTs, ADM race cai, ADM ZL1 scoop Whiteside Customs Super Street 2 Package w/ coilovers BC Racing Coilovers and lowered, Whiteline Bushings & Swaybars MBRP catback exhaust, ZL1 bumper conversion, Drake billet shifter, Hurst paddles, NLP rear spoiler, OEM GFX, Vis Racing hood, ASA GT5 wheels |
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08-23-2019, 07:27 AM
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#11 |
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Drives: Whipple'd Mustang S550 Join Date: Jun 2014
Location: Kansas
Posts: 71
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Running into the same issue here on a HeartBeat Maggie kit (am running the supplied Maggie tune).
Tripped P0556 when doing a simulated water-box burnout (two foot power brake). Annoying to say the least....as you get reduced power mode and hardly any throttle, along with hard shifts until the code is cleared (key cycle will not clear). Working with Magnuson now on the tune.
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'17 Whipple'd S550 Mustang, Stage 1 (750hp) kit, all stock otherwise less M/T ET Street Radials/VMS Rear Drag Pack Only. 643 RWHP (dynojet). 10.92@128, 1.59 60' (2800 ft corrected D/A). 91 Octane+Boostane Octane Booster.
Many other turbo LS/Ford Builds to date, see my YouTube channel YouTube Channel: https://www.youtube.com/channel/UCr7..._as=subscriber |
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05-25-2020, 03:33 PM
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#12 |
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Drives: Whipple'd Mustang S550 Join Date: Jun 2014
Location: Kansas
Posts: 71
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So little update on this, it's a tune error.
Magnuson said this code is tripped by the Auto cars, as they have a brake booster pressure sensor, which is used to make sure the brake booster has enough vaccum stored while the displacement on demand is active. Once the vaccum in the booster drops below a certain threshold, the dod kicks off, manifold vacuum comes up and the booster is recharged. The code is a tripped by a logic check which compares the MAP sensor to the Brake Booster Pressure Sensor during a WOT/High throttle condition, which effectively makes baro equal to actual baro. On a boosted car, we see positive manifold pressure so the sensor comparison check fails, setting the DTC and the computer thinks the brake pressure sensor is faulted. All Magnuson did was turn off the DTC in the tune, easy fix. Annoying that the supplied tune did not have this done already though....I mean they know when you order it that it is going on an auto car and will trip this DTC..... For what it's worth, the Whipple kit I just did tripped the same code, and it also was not turned off with the supplied tune.
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'17 Whipple'd S550 Mustang, Stage 1 (750hp) kit, all stock otherwise less M/T ET Street Radials/VMS Rear Drag Pack Only. 643 RWHP (dynojet). 10.92@128, 1.59 60' (2800 ft corrected D/A). 91 Octane+Boostane Octane Booster.
Many other turbo LS/Ford Builds to date, see my YouTube channel YouTube Channel: https://www.youtube.com/channel/UCr7..._as=subscriber |
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05-26-2020, 07:05 PM
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#13 |
Drives: T Join Date: Mar 2015
Location: CA
Posts: 803
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lolol
+1 for P0556 one day ill go E85 and have it tuned out. Happens to me SOMETIMES. |
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