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DSTC spin control off reading on dash and will not turn back on

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Awd on 2004 xc70 quit working--any ideas ?


Raise the vehicle and start the engine. Put the vehicle in drive, make sure that if the vehicle is equipped with DSTC it is turned off. If the front wheels turn but the rear driveshaft doesn't, the most likely cause is the coupler between the transmission and the angle gear is bad.

Mar 24, 2014 | 2004 Volvo XC70

1 Answer

What is DSTC


http://www.youtube.com/watch?v=G8mniiBdHik Here's a short clip that explains what it is.
And a text found online
DSTC
Dynamic Stability and Traction Control (DSTC) is an even more sophisticated stability system to improve active safety by also intervening and counteracting any tendency to skid.

If the car makes a sudden movement and loses its directional line, or enters a corner too fast and the rear end starts to turn the car inwards, DSTC gently returns it to the right line. This is done by applying the brakes on one or more wheels.

DSTC works through the ABS system, which has been further developed.

A number of yaw angle sensors monitor the rotational speed of all four wheels, the steering wheel angle and the directional behaviour of the car.

The DSTC processor receives the signals and compares the actual behaviour of the car with the desired behaviour. Any deviation from the norm, such as the rear wheels starting to break away, and the system intervenes and makes corrections, activating the brakes on the wheel that will bring the car back in line. If necessary, the system also reduces engine torque, like STC.

In a way, it would be true to say that DSTC is able to compensate for the driver's mistakes up to a certain point, as it counteracts and prevents skidding when the driver has already started to lose control.

The system is particularly effective if the driver has to brake hard and steer away at the same time, like the well-known elk test. The system counteracts any tendencies to skid and returns the car to its original course.

DSTC works through the ABS system which has been further developed to incorporate this system. In addition to more relief valves and a more powerful microprocessor, a brake reinforcement unit with electronic activation, sensors for side acceleration, yaw rate and steering wheel angle have been added.
Hope it helps.

Oct 06, 2013 | 2005 Volvo XC90

1 Answer

Volvo v70 2008, warning message dstc service required comes on intermittently


Dear Sir the Fault you have is all about your Dynamic Stability and Traction Control.The sensors fitted on your wheels which are checking the wheel speed usually get gummed with road dirt and debris and cause error to trigger. Ask Volvo mechanic to clean the sensors and the problem would resolved.

Sep 16, 2012 | Volvo V70 Cars & Trucks

1 Answer

2007 S80 2.5T DSTC warning light on all the time


This indicate a problem has occured in the Dynamic Sstability And Traction Control System. You must get the system control module scanned for the fault code. There is a big problem with this system based on the number of complaints seen on line, average cost to repair is about $1000.00

Feb 17, 2012 | 2007 Volvo S80 2.5T

1 Answer

Why does the dstc light stays on the dashboard?


The DSTC system by Volvo means Dynamic Stability & Traction Control, and is the equivalent of the ESP system (means the Electronic Stability Program). If the DSTC lights on the dashboard permanently the DSTC system is faulty. You must access the DSTC Electronic Control Unit (ECU) memory to pull out all DTC (Diagnostic Trouble Codes), using diagnostic equipment connected to the data link connector of the car. Then you will be full informed about bad pieces (e.g.: front right wheel abs sensor interrupted, ...). After bad pieces replacement you will be able to erase all faults memored by DSTC ECU, in other words reset the DSTC system and turn off the warning lamp on dashboard.


Oct 23, 2011 | 2000 Volvo S80

2 Answers

Please tell me what this warning light means on my dash: ESC off.


This is the light that tells you that the Electronic Stability Control or ESC has been disabled. There should be a button in you vehicle that has a car and or some tire markings on it or it may just read ESC, and pressing it will turn it back on.

Jan 21, 2011 | Hyundai Sonata Cars & Trucks

1 Answer

There a yellow triangle light on dash


This triangle might be the warning light that the traction control system is switched off. to switch traction control back on again, locate the button to the lower right hand side of the steering wheel, down beside the headlamp levelling switch. The button should read VSA OFF. With the engine running press this button and the lamp should go out. Note that in slippery conditions when the front wheels start to spin this triangle will flash as the traction control kicks in. Hope this helps. Stuartie.

Nov 09, 2010 | 2008 Honda Accord

2 Answers

Want to know what a light means,and can i fix it myself


pg26b.jpg pg26c.jpg Risk for slippery conditions
If the warning light comes on and stays on, this indicates that traction with the road surface is reduced. Drive with caution. If this light flashes, it indicates that the DSTC system is working to restore traction to one or more of the wheels. Reduced Stability Control
If the green indicator light in the DSTC button goes out, DSTC has reduced effect because the system had been switched off with the button in the center console. The text DSTC SPIN CONTROL OFF will be displayed in the text window.

Jul 25, 2009 | 2005 Volvo XC90

2 Answers

T/c popped up on my dash this mornng


No T/C stands for traction control all it does is keep your back tires from spinning on wet surfaces. I turn my off. All it does is slow the motor down so your wheels if they are spinning they can get traction.

Mar 26, 2009 | 2005 Chevrolet Equinox

2 Answers

DSTC light on dashboard display


Yes they are, you need to run the trouble code test and find out what is stored in memory.

Sep 04, 2008 | 2001 Volvo V70

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