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Service Active Handling. Help!

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Old Feb 28, 2010 | 10:15 PM
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Default Service Active Handling. Help!

Hi Everyone, I have been getting these warnings.
Service active handling/ service vehicle soon/ and sometimes active handling warming up. They come on each time I drive the vehicle and clear after each time the vehicle is shut down. I tried Mr Bill Curlee's advise in his Sticky and cleaned both Chassis Ground Connectors but to no avail. They both had some sand in them but the corrosion wasn't that bad. Any ideas will be greatly appreciated. Mr Bill if you are reading this, Please Help!
Thanks
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Old Feb 28, 2010 | 11:33 PM
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If you have service active handling then you must have some codes.
Check this link to see what codes mean and how to look at them.

http://www.stengel.net/diccodes.htm
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Old Mar 1, 2010 | 11:56 AM
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I agree here too, need to pull your codes which will point you in the correct direction
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Old Mar 1, 2010 | 01:16 PM
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Thank you very much. I'll do that.
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Old Mar 1, 2010 | 01:54 PM
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Wheel position sensor might be fubared. My car does the same thing. In the interest of not flying off the highway I always disable traction control and active handling the second I start the car. I recommend you do the same
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Old Mar 1, 2010 | 04:01 PM
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Originally Posted by anonymouscoward
Wheel position sensor might be fubared. My car does the same thing. In the interest of not flying off the highway I always disable traction control and active handling the second I start the car. I recommend you do the same
I would change that out asap. I drove mine like that for 4 - 5 months knowing It was swps.

The Steering Wheel Position Sensor can make your dash go crazy and loss of communications with pcm, bcm etc... Reduced engine power you name it.
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Old Mar 1, 2010 | 11:27 PM
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Thanks Guys!!
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Old Mar 2, 2010 | 12:08 AM
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Mine comes on intermittently. It is related to the hazard button. No clue why. I know the button is bad, and when I press it repeatedly (trying to clean the contacts) I will always get a SERVICE TRACTOIN SYS light that goes off with a restart.

My car does NOT have active handling though, so maybe it's different.
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Old Mar 2, 2010 | 01:28 AM
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Originally Posted by anonymouscoward
Wheel position sensor might be fubared. My car does the same thing. In the interest of not flying off the highway I always disable traction control and active handling the second I start the car. I recommend you do the same
You must not know how the system works. If there is a detectable error in the system (sensor, voltage, etc. that sets a code and displays a message on the DIC that part of the system is shut off. You don't need to turn it off it already is off. No safety issue. Sometimes errors occur that will not set a code or display a message. If that type of very rare error occurs then there might be a safety issue. Again if there is a light there is no safety issue.

A wheel speed sensor failure will turn off all 3 functions of the ABS system (ABS/Active Handling/Traction Control). The OP isn't getting the Service ABS message so a wheel speed sensor isn't the issue. Simple deduction no testing needed. A combination of Service Active Handling and Service Vehicle Soon messages more than likely points to a problem with the steering sensor. However, at this point the OP must display the codes on the DIC and post them here so we can see what areas are affected by the failure.

Active Handling Warming Up is a normal system message that comes up when the driver doesn't drive in a straight line for a couple hundred feet above 6 mph after an engine start. The AH system has to calibrate itself after each engine start so it knows where straight ahead is located. If the driver makes turns before the minimum distance for calibration is driven the system goes into Warm Up mode until it can get itself calibrated. Not a big deal.

However, calibration is really calibrating the signal value from the steering sensor. If it is getting flaky it could generate a signal that would cause the warm up message or a failure. Another thing that can cause the AH Warm Up signal or a failure is the wheel alignment. If the car is dogwalking because the thrust angle is off or the steering wheel is turned to far one way or the other when driving in a straight line the warm up message could show up or the EBCM could decide the steering sensor signal is wrong and set a code.

Bill
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Old Mar 4, 2010 | 08:25 PM
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OK Guys I pulled the codes and here they are,
B1001H
B2282H
B2284H
C1281H
C1286H
C1287H
U1064H

Thanks, any help will be greatly appreciated.
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Old Mar 4, 2010 | 10:32 PM
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Originally Posted by Bill Dearborn
You must not know how the system works. If there is a detectable error in the system (sensor, voltage, etc. that sets a code and displays a message on the DIC that part of the system is shut off. You don't need to turn it off it already is off. No safety issue. Sometimes errors occur that will not set a code or display a message. If that type of very rare error occurs then there might be a safety issue. Again if there is a light there is no safety issue.

I prefer not to enable electrical systems that are "acting up" and have control over my brakes.
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Old Mar 5, 2010 | 01:03 AM
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B2282 Battery #1 Fault
B2284 Battery #2 Fault
C1281 Steering Sensor Uncorrelated Malfunction
C1286 Steering Sensor Bias Malfunction
C1287 Steering Sensor Rate Malfunction
U1064 Loss of Communications with BCM

So it sounds like a couple of problems. The steering wheel position sensor is either done or your wheel alignment is out of tolerance. Also, your battery might be getting weak so how old is it?
I did not find the B1001 code in the normal place I look.
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Old Mar 5, 2010 | 07:28 AM
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Thank you very much. The Battery was changed a couple months ago. So I guess those codes were from that time. Wheel alignment appears to be OK also. So it seems to be the steering position sensor. Has anyone had any experience changing one of those? Thanks Again!!
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Old Mar 5, 2010 | 09:32 AM
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Its at the base of the steering column, inside of the car. I paid the dealer to replace mine just in case if they set off the airbag, then they get to pay for it.

I found some info on the B1001 but have no idea how to read this one for you.
B1001 Option Configuration Error

sort of wondering if the BCM was ever replaced and the RPO codes were not entering correctly or if an RPO item was removed?

Last edited by dgrant3830; Mar 5, 2010 at 09:34 AM.
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Old Mar 5, 2010 | 09:42 AM
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Mine came on this morning and it has done a few times over the last 6 months, restart the car and all is fine. I have not checked for codes but will, doesn't seem anything is wrong though.
Mash it!
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Old Mar 5, 2010 | 11:54 AM
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Thanks again for all your help. I'll see what the dealer will charge to replace it.
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Old Mar 5, 2010 | 04:49 PM
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Just called the Dealer and the part is $382.00 and the labor will be $285.00. WOW is all I can say. Man I Love this car but the upkeep is starting to be almost too much for a regular Guy like me. Hopefully I'll be able to get this done soon. Thanks again for all the responses and Help.
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Old Mar 5, 2010 | 04:52 PM
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Haha, get out now. Pretty much -everything- costs more than that. ;P
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Old Mar 5, 2010 | 06:16 PM
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The dealer I went too only charged me $175 for the install. The part was cheaper than that, but its been a few years too since that time.
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Old Mar 5, 2010 | 08:07 PM
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have the same problem as the OP. car keeps throwing C1281 and C1286 now from what i understand and from what i read it could be due to miss allignment... i lowered my vette about a year ago and never got it alligned so im hoping i can solve this problem without another $600 trip to the dealership.
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