ABS and TCS lights are on. Break problems. Plz Help

Freebeer187 · 06-21-2008, 01:42 PM

So yesterday it rained in Chicago, and normally my car does just fine in the rain.

I started noticing weird break pedal response. The pedal would sometimes loose a very little amount of "fight back". I would not lose any breaking power or have a problem stopping. This really dint bother me much as i figure it may just be me.

Only thing is, later that day the ABS and TSC (off) light came on, indicating that I no longer have anti-lock breaks.... Hmmm. So I turn the car off and back on. The light now goes away. The light will then come back on shorty. It comes and goes.

The problem just started yesterday. Any suggestions on what it might be? Possible low fluids? A sensor? Sorry if this description is a little vauge. Im a little hungover right now

Thanks!

Preotic · 06-22-2008, 12:24 AM

It's usually a sensor. Check all the wiring to the sensors to make sure they are secure and not damaged. If that doesn't work you'll have to get it scanned by a tech II(dhp or hptuner can't read BCM codes) to find out which sensor is the culprit. The bad part is you have to replace the hub to replace the sensor. Similar thing happened to me. I replaced the hub and the light didn't go off. Turned out one of the connectors on the abs wires needed replaced.

archemedes · 06-22-2008, 12:50 AM

both times I had that it was a broken wire at a sensor

UR LOSN · 06-22-2008, 03:57 AM

with all the rain.....moisture might have gotten past the rubber weatherstrip on a connector......

just a thought....

Freebeer187 · 06-22-2008, 04:47 PM

Where would the wires and sensors be located?

Sorry, im not very familiar with the gp.

If someone could give a nice description of where to find this, I would really appriciate it. I would like to start to attempt to solve the problem asap. I will do some searching now and see what I can find. If I find it, I will edit this post. Otherwise, Please help me out

Thank you!

archemedes · 06-22-2008, 10:27 PM

sensors are on the hubs, look at the back of the spindle (where the caliper mounts) and you should see the wires on the front, rear is similar

Freebeer187 · 06-23-2008, 12:58 AM

Ty, I will look tmw when there is daylight

06-21-2008, 01:42 PM	#1
Freebeer187 GTX Level Member Join Date: Jun 2008 Location: Bartlett, IL Posts: 651 Thanks: 1 Thanked 3 Times in 2 Posts iTrader: (0)	ABS and TCS lights are on. Break problems. Plz Help So yesterday it rained in Chicago, and normally my car does just fine in the rain. I started noticing weird break pedal response. The pedal would sometimes loose a very little amount of "fight back". I would not lose any breaking power or have a problem stopping. This really dint bother me much as i figure it may just be me. Only thing is, later that day the ABS and TSC (off) light came on, indicating that I no longer have anti-lock breaks.... Hmmm. So I turn the car off and back on. The light now goes away. The light will then come back on shorty. It comes and goes. The problem just started yesterday. Any suggestions on what it might be? Possible low fluids? A sensor? Sorry if this description is a little vauge. Im a little hungover right now Thanks! __________________ How To: E-Brake Pwn 2001 GTP. D/S Rotors * Custom Intake * DHP PCM *

06-22-2008, 12:24 AM	#2
Preotic SE Level Member Join Date: Jan 2008 Location: Missoula, MT Posts: 148 Thanks: 0 Thanked 0 Times in 0 Posts iTrader: (1)	Re: ABS and TCS lights are on. Break problems. Plz Help It's usually a sensor. Check all the wiring to the sensors to make sure they are secure and not damaged. If that doesn't work you'll have to get it scanned by a tech II(dhp or hptuner can't read BCM codes) to find out which sensor is the culprit. The bad part is you have to replace the hub to replace the sensor. Similar thing happened to me. I replaced the hub and the light didn't go off. Turned out one of the connectors on the abs wires needed replaced. __________________ L26,Xp, zzp trans,3.29's,2700 conv, slp headers/catback, diy ported heads/LIM, 3 angle valve job,.052 MLS hg, outlet ported Gen V, 3.6, N*, LQ4, 4" FWI, agx's, ssc's, f-bodys, gmpp sway's +stb's

06-22-2008, 12:50 AM	#3
archemedes Approved Vendor Join Date: Jan 2008 Location: Saraland Alabama Posts: 3,462 Thanks: 0 Thanked 3 Times in 3 Posts iTrader: (1)	Re: ABS and TCS lights are on. Break problems. Plz Help both times I had that it was a broken wire at a sensor __________________ Steve '97 GTP VS cam, ZZP PCM, and not much else yet

06-22-2008, 03:57 AM	#4
UR LOSN Moderator Join Date: Dec 2007 Location: Rockford, IL Posts: 3,159 Thanks: 11 Thanked 10 Times in 10 Posts iTrader: (9)	Re: ABS and TCS lights are on. Break problems. Plz Help with all the rain.....moisture might have gotten past the rubber weatherstrip on a connector...... just a thought.... __________________ 2001 GTP street car- GT45 turbo,Stage 4 Intense turbo cam,FMIC,150 wet, double roller timing chain, Diamond forged coated pistons 8:0:1, Diamond piston rings, cryoed L32 connecting rods, Cryoed crank, Clevite77 main bearings, Clevite77 cam bearings, Clevite77 L32 rod bearings, ARP Everything, Intense/meizere true billet Flexplate, Custom UIM, Intense oil pressure kit, Cometic 4 layer head gaskets, OE-R lifters, Cryoed L67 block, ATI turbo dampner, MUCH MORE, 6 more to choose from ASE Certified

06-22-2008, 04:47 PM	#5
Freebeer187 GTX Level Member Join Date: Jun 2008 Location: Bartlett, IL Posts: 651 Thanks: 1 Thanked 3 Times in 2 Posts iTrader: (0)	Re: ABS and TCS lights are on. Break problems. Plz Help Where would the wires and sensors be located? Sorry, im not very familiar with the gp. If someone could give a nice description of where to find this, I would really appriciate it. I would like to start to attempt to solve the problem asap. I will do some searching now and see what I can find. If I find it, I will edit this post. Otherwise, Please help me out Thank you! __________________ How To: E-Brake Pwn 2001 GTP. D/S Rotors * Custom Intake * DHP PCM *

06-22-2008, 10:27 PM	#6
archemedes Approved Vendor Join Date: Jan 2008 Location: Saraland Alabama Posts: 3,462 Thanks: 0 Thanked 3 Times in 3 Posts iTrader: (1)	Re: ABS and TCS lights are on. Break problems. Plz Help sensors are on the hubs, look at the back of the spindle (where the caliper mounts) and you should see the wires on the front, rear is similar __________________ Steve '97 GTP VS cam, ZZP PCM, and not much else yet

06-23-2008, 12:58 AM	#7
Freebeer187 GTX Level Member Join Date: Jun 2008 Location: Bartlett, IL Posts: 651 Thanks: 1 Thanked 3 Times in 2 Posts iTrader: (0)	Re: ABS and TCS lights are on. Break problems. Plz Help Ty, I will look tmw when there is daylight __________________ How To: E-Brake Pwn 2001 GTP. D/S Rotors * Custom Intake * DHP PCM *

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