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Pontiac Grand Prix: Traction Control/STS/ABS

23 messages,  Last post on Oct 30, 2009 at 8:57 AM

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What is this discussion about? Pontiac Grand Prix, Car Safety, Sedan

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#18 of 23 o5 grand prix by didodano May 26, 2009 (6:09 pm)
abs ,tc and varible effort steering comes on monitor what could cause this?
#19 of 23 Re: pontiac gran prix [morty72] by jklightner Jun 08, 2009 (4:03 pm)
Replying to: morty72 (Apr 22, 2009 9:33 am) Most likely a bad wheel hub assembly which holds bearings and ABS speed sensor. Jack up the wheel off the ground. Grab it at 12 and 6 position and shake it. Any movement equals bad bearings. This will cause the wheel speed sensor to move around and be read as a faulty ABS/Traction Indicator. Then grab it at 3 and 9 and shake it, movement will most likely be worn outer tie rod ends. Same part for either side. Pontiac recommends using 3 new bolts for the hub to knuckle mounting. If asked about plastic or steel clip, they are talking about the clip that holds the ABS wire to the mount. NAPA part came with both. Jim
#20 of 23 Service Traction Control/ABS by cnancgo Jun 15, 2009 (7:53 pm)
I have a 2008 Grand Prix GXP and have had it in to the dealer 14 times in 11 months for the TC/ABS service lights coming on. I take a regular trip, approx. 1 hour 15 min, almost every weekend to the coast of OR. After the car has been driving between 45 min to 1 hour the service TC/ABS light comes on. It resets when the car is turned off and then it happens again on the way home. The dealer gets the same error message each time it is taken in. They have sent 2 specialists from out of town to look at the car and actually drove it the same route to see the error for themselves. They also hooked up a monitor so I could record the error when it happened. The computer says the car is at a dead stop when the TC/ABS light comes on, I was driving 65 miles an hour. Why can't they figure this out? Will the traction work when I am on ice? Is the car safe to drive? They have replaced sensors, wiring, etc. Anyone have any idea?
#21 of 23 Re: 01 GP GT wheel bearing replacement - ABS/trac light on [johnnymm] by lin_b Jul 11, 2009 (8:53 pm)
Replying to: johnnymm (Oct 24, 2006 11:11 am) I have a 2001 grand prix with a 3.8 V6 in it. Just yesterday I got it back from the shop. My traction control would not come on and my ABS light was on. The mechanic replaced my cam sensor and the traction control is now working and my ABS light has went off and stayed off... so far. The service engine light is still on and it is giving a code for a cam shaft position sensor this is very costly though so it is going to have to wait.
#22 of 23 Re: 05 GP GT: service traction/var eff steering/abs [jeremers] by mnpossum Jul 24, 2009 (8:49 am)
Replying to: jeremers (May 23, 2007 5:07 am) I bought my 05 new and it started doing this almost the day my 36K warranty was up. I'm at 95K now and it still regularly occurs. The errors will go away for months and then pop back up. Sometimes it kicks in going down the road, other times it comes on as soon as I start the car. I've also had issues almost from the beginning of grinding noices like the ABS is trying to activate when turning into a parking space. Early on when the problem started I was told until the lights came on and stayed on that it would be difficult to pinpoint the problem. When it occurs intermittantly, they might fix something and then just because the lights aren't on, assume that was the fix until two months later and they would pop back on again. For the person who asked if their traction control would work on ice when their car was doing this - NO. When the lights are on and the error messages are on your control panel, the traction control is disabled.
#23 of 23 faulty abs on 2004 grand prix by christiaanl Oct 30, 2009 (8:57 am)
I have a 2004 Grand prix GT. Sometimes when im applying the brakes and turning at the same time, my abs kicks in. and sometimes the abs light, trac control light and the service brakes lights all come on. They are all related to the same sensor and in my case of course it ended up being a faulty sensor. its a 150 dollars or so if you can just replace the sensor, but on some models you have to replace the whole hub with the sensor built in costing 500 to 600. Hope this helps you.

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