Question about 2001 Pontiac Aztek

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Service engine light, service traction warning and anti loc brake warning came on

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Try checking the fuses, u may have a broken fuse. try checking your engine u may have a broken fuel or water hose. check your brake fluids too. hope this helps

Posted on Jul 03, 2009

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Posted on Jan 02, 2017

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1 Answer

The anti lock brake, air bag, service engine, and traction control warning light are all lit up in my 2003 Bonneville. Is the body control module causing this?


Hook it up to a scanner that reads both OBD2 and ABS and read the codes. I had problems with GM vehicles and it was usually the ABS or another harness that was actually the problem.

Jan 15, 2015 | Cars & Trucks

1 Answer

WHY DOES VSC & CHECK ENGINE LIGHT STAYON


diagnostic reader and or workshop time required to
to fix both VSC and engine light faults /codes


VSC is brake /traction related ..... this is one explanation

It would appear that system braking, traction control, and possibly some anti rollover control is dis abled if this warning light is on. So it is both fuel in efficient and possibly dangerous to drive with this light on.

engine light

there are stored fault codes in the engine computer module pointing to faulty sensors on the car needing to be checked or replaced




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Jul 06, 2014 | 2006 Toyota Highlander V6

1 Answer

Meaning of warning lights


Manufacturers spend billions of dollars a year refining their cars' on-board diagnostics systems. However, all of the sophisticated diagnostics in the world will do little good if you don't know what the warning lights mean.
Purpose
Modern automobiles have dozens of sensors to monitor engine, braking and chassis performance. Any deviation from the car's established limits will trigger a dashboard warning light.


Check Engine Light
Check engine lights can indicate failure of the emissions system, fuel injection system, faulty sensor feedback, overheating or lack of voltage, transmission failure, and engine knock ignition system failure.


Brake Lights
Almost all cars have two separate lights for the braking system: a red "ABS" (anti-lock braking system) light and "Brake Warning" light. The former indicates failure of the electronic anti-lock system, the latter a loss of fluid pressure in the brake system itself.


Dynamic Warnings
Many modern cars have traction or stability control systems that prevent and notify the driver of tire slippage. These lights can come in the form of amber "SLIP," "TC," or "TRACTION" lights (for spinning tires), or "ESC" (electronic stability control) lights for a sliding vehicle.


Safety Lights
Most cars have a diagrammatic warning that indicates a door that isn't all the way closed, a seat-belt warning light, and an "airbag disabled/enabled" light. Any or all of these will be red or amber.


Read more: Car OBD2 diagnostic tool

Jul 25, 2012 | Cars & Trucks

1 Answer

Why does my traction off light come on?


You either have a problem with your engine control system, the traction control system, or you are not in the correct gear. See the explaination below. This is from the 2000 Chevrolet Cavalier Owner's Manual.

TRAC-OFF LIGHT

... If you turn the system off by moving the shift lever

to FIRST (1) or SECOND (2), the warning light will

come on and stay on. To turn the system back on,

move the shift lever back to a position other than

FIRST (1) or SECOND (2). The warning light

should go off. (See "Enhanced Traction System"

in the Index for more information.)

 The warning light will come on when you set your

parking brake with the engine running, and it will

stay on if your parking brake doesn't release fully.

If the transaxle shift lever is in any position other

than FIRST (1) or SECOND (2) and the warning

light stays on after your parking brake is fully

released, it means there's a problem with the system.

 If the traction control system is affected by an

engine-related problem, the system will turn off

and the warning light will come on.

If the Enhanced Traction System warning light comes

on and stays on for an extended period of time when the

transaxle shift lever is in any position other than FIRST
(1) or SECOND (2) your vehicle needs service.

Aug 08, 2011 | 2000 Chevrolet Cavalier

1 Answer

The Service traction system, abs and anti lock warning lights keep coming on. I just had 2 oxygen sensors and a wheel hub unit put in. What could be causing this problem?


When the wheel hub was put back in did they omit to connect the wheel speed sensor? The ECU continuously monitors with sensors the speed of the wheel rotation and compares this with the transmission speed. Any disagreement due to wheel spin results in power redistribution to those wheels with traction. If all drive wheels spin and get out of sync with the transmission then the ECU limits the power output from the engine until traction is resumed. Likewise when braking a locked wheel has the brake pressure reduced until minor rotation is again resumed. A missing wheel sensor will cause a failure of both the traction control and the anti-lock braking system

Aug 18, 2010 | 2002 Buick Rendezvous

2 Answers

Warning light on are trac off, anti-lock, brakes, service engine


You need to have the abs system scanned for codes. You likely have a bad wheel speed sensor on one of wheels.

Apr 21, 2010 | 2000 Oldsmobile Intrigue

1 Answer

Traction off light and anti lock brake light on at same time


You likely have a wheel speed sensor that is bad. You will need to have the vehicle scanned to find out which one

Mar 28, 2010 | 1998 Oldsmobile Aurora

1 Answer

Three intermittent warning lights


I would think a sensor is going bad , but ,without testing that is just a guess , just like the dealer tech , assuming it's a module or a fuse ! With the light's on checking for DTC'S - diagnostic trouble codes would be a real good first step . The dealer tech should have hooked up the Tech 2 scan tool an checked codes an look at sensor data parameters ....

May 07, 2017 | 2003 Cadillac Deville

1 Answer

THe dash lights come on without


no it is not safe, have tis tested by the dealer ASAP

Oct 14, 2009 | 2000 Oldsmobile Intrigue

3 Answers

Anti-lock, traction control, service soon,brake, and security lights on. anti-lock and traction control disabled. Replaces front hubs many times. coulkd it be body conroll module? 2001 olds alero


Anti-Lock and Trac Off lights are lit on my 1999 Alero, as well. They usually come on after about 5 minutes of driving, but are not always on when I start the car.

Aug 18, 2008 | 2003 Oldsmobile Alero

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