Hello

Every time I run a corvette and you receive a message moves
ACT HNDLG - WARMING UP and the lamp lights up TCS.
I press the reset and delete the message and the lamp TCS remains lit, and never turns off.

How to give diagnosis there are no errors in TCS.

Where is the problem??

Regards

 

The message is telling you the car can not run the active handling calibration (or steering centering) routine that is performed after every engine start. This calibration is used to determine where straight ahead is located on the car. They have to do this to compensate for wear in the steering as the car gets older and has more miles on it. Typically, the type of problem you are seeing is caused by the wheel alignment not being set correctly. If the steering is off to one side or the other and you have to turn the steering wheel to compensate the routine cannot determine the center point. Another cause could be the steering wheel position sensor itself. If it is starting to fail it may not be sufficiently out of tolerance to set a code but too far out to allow the centering routine to work. Start with an alignment check and then progress to measuring the output of the steering sensor.

Bill

 

I did tests:

1. VIGOROUSLY start from the first gear displays a message Traction system Activatte and it stops. Moves, and only light is TCS.

2. VIGOROUSLY start from the first gear displays a message Traction system Activatte and drive further displays a message
ACT HNDLG - WARMING UP and the lamp lights up TCS

Whether these two errors that have something in common with

B0026, B0051

Also that is disconnected electric steering lock, and in this place is probably a module connected to a lighter

 

The Active Handling calibration routine has nothing to do with traction active or how hard you accelerate. The calibration routine requires a speed over 6 mph in a straight line for a 100 to 200 ft. If the driver turns the steering wheel one way or the other during that short distance the system can not calibrate and it will display the Warming Up message on the DIC. When the wheel alignment is not set correctly the steering wheel may be turned just enough that the steering wheel position sensor sends a signal to the EBCM that the steering wheel is turned. This will prevent calibration and leave the message on.

Code B0026 indicates there is a problem with the air bag steering wheel module located on the steering wheel or with the air bag steering wheel module coil located on the steering column.

Code B0051 indicates your car has been in a frontal crash and the air bags have deployed. This code is locked into the inflatable restraint sensing and diagnostic module (SDM) and requires replacement of the SDM to clear the code.

Since you seem to have some issues with the steering column there may be a possibility the steering wheel position sensor which is located at the base of the steering column has been moved or damaged as well. Did somebody have the steering shaft disconnected from the steering rack sometime? If so somebody may have turned the steering wheel one or more turns while it was disconnected and damaged these components.

Bill

 

as I understand it is related to setting (geometry) the front of the steering wheel relative?

 

If you disconnect the steering rack from the steering shaft and someone rotates the steering wheel to a different position or moves the front wheels to a different direction while the steering rack and steering shaft are disconnected, this problem will happen.

The EBTCM will NOT be able to complete the automatic calibration routine that it needs to run because the steering wheel position sensor (SWPS) is always telling the EBTCM that the steering wheels are turned and not pointed straight ahead. You MUST verify that the SWPS is working correctly and it at zero or in the straight ahead position

My recommendation would be to check the output of the (SWPS) AND SEE IF IT IS CORRECTLY ZEROED!! If your front wheels are straight ahead the SWPS should read a null voltage. If you have a TECH II, it can display that output.

BC

 

Also make sure your MAF connection is plugged in ! If it has fallen loose or not fully seated it can cause this. I know it seems odd but i can attest to this

 

You are kidding... right?

 

I have unplugged the MAF on my 98 several times, to see how it would run. It never did that.

It did run but not all that well. If the MAF was un-plugged, it would set a Check Engine Light and throw a DTC.

BC

 

http://forums.corvetteforum.com/c5-t...at-sensor.html

 

Not kidding at all. I couldn't believe it when it happend as there should be no link with the 2 but it did. I thought I had seen everything but this one took the cake. It has happened twice. Once when we installed the new motor and forgot to seat the MAF cable and another time I was changing a belt I forgot to plug it back in. As soon as I plug it in turn the car off the message has never come back both times. I think it may have something to do with the Intake ar temp sensor being part of the 7 wire in the MAF in the newer vettes. My car is a 2001 Z06. As some of you know I do alot of work on my car so I have almost seen everything one

 

Thanks for the information.

How to say I have disconnected the MAF because I am waiting for the new. I know how come my new MAF from USA what's next with a message ACT HNDLG - WARMING.

In the first place I need to replace the bearing resistance at the clutch

Regards

 

When connected MAF error ACT HNDLG - WARMING UP no longer appeared


Thanks for the information and assistance

Regards

 

I had the same message. The car needed a alignment real bad.

 

Good Man ! I knew I had seen this one before

 

This message came up on my car after header instalation Active handling warming up after 200 ft it went off and never came back on.
Do I have something to worry about? I have never seen this message before!

 

If it was cold out side do not worry about it for now. If it starts comming back with so regularity you will have to look into it.