Question about 2007 Chevrolet Impala LS Sedan New Cars

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Every so often when I turn the car on it indicates a traction problem and says it is lessening power to the engine. turned the car off and then back on again and it was fine. What doe this mean.

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Wheel sensors are probably failing. Behind the tires there are sensors that report the wheel speed to the ECU, I would check them, and wiring to them for faults.

Posted on Mar 24, 2011

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1 Answer

Where to find the traction control switch on a 2001 chevy cavalier


Doesn't have one ! The electronic brake control module turns it on an off when there is a problem ! Your light on ? DTC'S - diagnostic trouble codes stored .
Traction Off
The IPC illuminates the traction off indicator when the following occurs:
• The electronic brake control module (EBCM) inhibits the traction control system. The IPC receives a class 2 message from the EBCM requesting illumination. The traction control system is disabled when the following occurs:
- For Chevrolet only, the shift lever is in FIRST (1) or SECOND (2) gear. The EBCM receives a class 2 message from the powertrain control module (PCM) indicating the gear position.
- For Pontiac and Oldsmobile only, the body control module (BCM) detects that the traction control switch is pressed (signal circuit is low). The EBCM receives a class 2 message from the BCM indicating the switch status.
- The BCM detects that the park brake is engaged (signal circuit is low) and that the engine is on. The EBCM receives a class 2 message from the BCM indicating the park brake status.
- The PCM detects certain malfunctions and is unable to perform torque reduction requests from the EBCM. The EBCM receives a class 2 message from the PCM indicating that traction control cannot be performed.
• The EBCM detects a malfunction in the traction control system. The IPC receives class 2 messages from the EBCM requesting illumination of both the service vehicle soon and traction off indicators.
• The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds.

May 19, 2017 | 2001 Chevrolet Cavalier

1 Answer

How to reset computer for traction/light is on


Hi Christine , what book is that ? I have Cadillac factory service Information an I have work at a Cadillac dealship ! There is a problem somewhere or the light would not be on . Traction control is part of the ABS system . If your vehicle came to me at the dealer, one of the first thing's I would do is hook up the tech 2 scan tool an see if it could communicate with all the modules - computers on the vehicle !
Install a scan tool.
Does the scan tool power up?
--
Go to Step 2
Go to Scan Tool Does Not Power Up in Data Link Communications

2
  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to establish communications with the following control modules.
?€¢
Continuously variable road sensing suspension (CVRSS) module


?€¢
Electronic brake control module (EBCM)


?€¢
Powertrain control module (PCM)


?€¢
Instrument cluster (IPC)


?€¢
Instrument panel integration module (IPM)


If it communicated with all the modules , then I would check for DTC's - diagnostic trouble codes ! If there was a code I would go to the diagnostics for that code .If there were no codes I would go to the symptom:s list an in your case it is TRACTION CONTROL Indicator Always On
Circuit Description
The instrument cluster controls the operation of the TRACTION CONTROL indicator. The EBCM reports the desired status of the TRACTION CONTROL indicator via class 2 serial data messages.
When you first turn the key on , without starting the vehicle Does the TRACTION CONTROL indicator illuminate during the bulb check and then turn OFF after a few seconds ? IF there are no DTC"S stored this could be a wiring problem or the instrument cluster or
Electronic Brake Control Module ! Or you can try a reset by disconnecting the battery cables from the battery ! negative first then positive an touch the cable ends together for a minute , then hook them back-up ! positive first then negative ! Heard of this from others on the internet ! But if there is a real problem the light will come back on !

Feb 13, 2015 | 2000 Cadillac Seville

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Twin turbo 80 horse power deutz Diesel engine blows black smoke under load


Diesel engines smoke when under a heavy load. Unlike a gas engines, a diesel engine uses fuel that is more like an oil.Smoking is a good indication the fuel is not completly burning because of loaded engine spee. White smoke indicates the fuel is not ignitingefficiently. Truck, boats, tanks abd anything else using diesel fuel will smoke when it gets more fuel than it can use.. Easing up on the throttle will lessen the smoke but not eliminate.. Of coarse if the demand is lessened by applying less loadyhe fuel consumption drops.Not to worry as long as the smoke doesn't attract the EPA.

Sep 15, 2014 | Cars & Trucks

1 Answer

Traction Control light is on and engine reduceing speed comes on screen.Code PO1125,PO420,PO446 are all present with the engine light on.HELP!


Could be as simple as a brake sensor ( that is your anti-lock braking system it is tied into the traction control system ) Good luck it is a easy replacement part if that is what it is.

Feb 18, 2014 | 2003 Cadillac Escalade Esv

1 Answer

2006 chevy impala traction control


Reduced power is a problem with electronic throttle contol . drive by wire . Do you know what this is ? Taking the vehicle an having it hooked up to diagnostic tool an checking for DTC'S - diagnostic trouble codes is always a first step when trying to find the root cause of any trouble light ! And not auto zone , pep boys , or advance auto parts . Thier diagnostic tool will not check codes in all system control modules .

Apr 15, 2017 | 2006 Chevrolet Impala

1 Answer

How to reset stabilitrak on a 2007 chevy equinox


Your vehicle has electric power steering !
The Electric Power Steering (EPS) system reduces the amount of effort needed to steer the vehicle. The system uses the power steering control module (PSCM), torque sensor, power steering motor rotational sensor, power steering motor, discrete battery voltage supply circuit, and the GMLAN serial data circuit to perform the system functions. The PSCM and power steering motor are each serviced separately from the steering column assembly. However, the motor rotational sensor is serviced as part of the power steering motor, and the torque sensor is serviced as part of the steering column assembly. The PSCM also monitors vehicle speed from the engine control module (ECM) via the GMLAN serial data circuit. At low speeds more assist is provided for easy turning during parking maneuvers. At higher speeds less assist is provided for improved road feel and directional stability.
Stability System Indicator The IPC illuminates the stability system caution indicator when one or more of the following conditions exists. The EBCM sets any one of many VSES-disabling DTCs. The EBCM sends a serial data message to the IPC requesting illumination.
Traction Control System Indicator
TRAC OFF The instrument panel cluster (IPC) illuminates the TRAC OFF indicator when the following occurs:
?€¢
The electronic brake control module (EBCM) inhibits the traction control system due to a malfunction in the traction control system. The IPC receives a serial data message from the EBCM requesting illumination.


?€¢
The Body Control module (BCM) detects that the traction control switch has been pressed (signal circuit is low). The Body Control module (BCM) sends a serial data message to the EBCM in order to disable traction control. The IPC receives a serial data message from the EBCM requesting illumination. The BCM sends a serial data message to the radio in order to activate an audible warning.


Your best bet is to take it to a ASE certified an qualified repair shop ,that has the diagnostic tool to fix this problem .

Jun 17, 2012 | 2007 Chevrolet Equinox LS New Cars

2 Answers

ON THE 2008 FORD ESCAPE, WHEN THE ROADS ARE COVERED IN SNOW AND ICY, SHOULD THE TRACTION BUTTON BE PUSHED IN SO THAT THE DASH LIGHTS UP WITH "TRACTION". THIS BUTTON IS ALWAYS OFF, WHEN SHOULD IT...


This button turns the All-Wheel-Drive (AWD) function on and off. When the "TRACTION" light is on, the AWD function is on -- AWD should be on in snow / ice.

Charlie

Jan 29, 2011 | 2005 Ford Escape

1 Answer

With snow car does not have any power, we turn tcs off no help


Don't turn off traction control - it helps the car maintain traction.
A 350Z isn't a car that should be driven in the snow.
If you are rolling down a hill you have other issues.
Does it roll back if it's on dry pavement?

And remember snow makes tires slip.

Jan 13, 2010 | 2003 Nissan 350Z

1 Answer

WHat does it mean when your traction control indicator comes on and says it has reduced your engine power?


Hello Jeremy.
When your traction light comes on it is indicating wheel spin on acceleration. To prevent wheel spin an onboard computer reduces engine power to limit the wheel spin. Some, if not most, cars equipped with this feature will also apply the brakes if wheel spin continues after reducing engine power.
Hope this answers your question.
Thank you for using Fixya!

Nov 19, 2009 | 2006 Chevrolet Impala

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