Originally Posted by dennis50nj

I always disabled it when i start the car

Originally Posted by Bill Dearborn

Before you blindly go replacing things you should make sure what is wrong. Just because you see a Service Active Handling message doesn't mean anything other than you need to get it serviced. It does not point to any specific failure and there is definitely more than one failure that can cause that message to be displayed. Also when that message is displayed the Active Handling System is not operational (meaning it is turned off by the EBCM). Stop at an autoparts store that has a scanner that can read ABS codes and see what codes are shown.

Attached you will find the TSB for the Steering Sensor Connector Fix and the 10 DTCs that cause the Service Active Handling message to appear. Several of them are for the steering sensor, some are the yaw sensor and some are the brake pressure sensor.

Bill

https://www.corvetteforum.com/forums...es-and-tsb.doc

Originally Posted by el es tu

active handling will turn back on if a tire pressure sensor goes dead. what it would do if you started with no sensors, I have no idea. The sensors changed around 08 or 09 so you should double check if you do decide on installing a set.

Also a loose or corroded connector from the chassis to a hub/wheelbearing speed sensor can cause the service active handling and service traction control lights - especially when driving through standing water or while its raining
The one on the left is new and the one on the right is worn. you can make the worn one work by slightly bending the connector. Its highly reccommended that you add some dielectric grease to seal the connector during reassembly



yes the TSB for the steering wheel goes through 2008

Originally Posted by Dronski47

So last night driving down the expressway my active handling came on and stayed on, hitting wheel to wheel yanking and locking up wheels all around till I was eventually stopped. I would also like to add while this was going on the DIC also would say service charging system (volt gauge still read 14 Volts) and also active handling calibrating which did not go off. I have been reading on here about how to go about fixing it, but I still have some questions if anyone can help answer them. 1) I currently have no tpms sensors on my wheels. Hasn't been an issue ( I've made several long road trips) but I read that could activate AH. Is this my issue? And if so do I have to buy different sensors for custom wheels? 2) Did the 08 model have the same issue with the steering wheel sensor? If so can I just unplug this and not have to worry about my car doing this again? 3) What are the odds of it being my MAF? (This motor is fully built, but I've had no issues)

Originally Posted by cclive

If it is going to throw a code when this happens, then it already did throw a code and that code is stored in memory. I doubt that a code was thrown though.

Originally Posted by napp e roots

I disconnected the steering position sensor this disables the AH system. Other then that there is no solution that is 100% going to fix this random braking issue

Originally Posted by Dano523

Active handling is controlled by the EBCM, with the steering wheel sensor directly wired into the EBCM.

On the early model C6's with telescoping steering wheels, there was a problem with the steering wheel sensor wires getting stripped and grounded out, and a clip was issued as part of a TSB/recall to solve the problem.

Originally Posted by xBoostx

Where can I find the steering wheel positioning sensor so I can disconnect it, I'm scared to drive my car as soon as there is a minor left turn at speeds above 30 mph left front tire starts to get the brakes applied some times so severe tire locks temporarily then pulsates.

I press t/c bottom two times to go to competitive driving and it still does it though to a lesser extent, is still dangerous.

Originally Posted by mikymu

Yes, you heard that right. Thanks to tips from Germany's krisa9977 I was able to disable active handling without using dummy TPMS in a pressurized pipe - see thread: http://forums.corvetteforum.com/auto...-handling.html

I started a new thread because I feel strongly this is a topic most track rats need to know as not to ruin their track event if one of their TPMS goes bad. It is really simple to disable your active handling in 2 minutes. You can still select traction control ON or OFF and ABS still works. This is not for street driving and only to be used on the track and exercise caution if you chose to drive without active handling.

Here is the pain you will feel if somehow your TPMS goes bad or if you don't have TPMS in your track wheels and could not turn off active handling. Frankly it is flat out dangerous to have active handling kick in suddenly on the track when you least expect it.



First remove the plastic panel under the steering wheel column. pull down hard on the three plastic retainer screws and the cover will pop loose



Locate the steering wheel position sensor and disconnect the white sensor wire connector





When you start the car you will see the warning "service active handling". You can change the message to other engine parameters



I went out for a drive with Michelin slicks on a cold night without TPMS and make sharp turns at >0.9 G and active handling did not kick in

Will have full report on how the car handle with this setup after this weekend's track event