Question about 1999 Oldsmobile Alero

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1999 Oldsmobile Alero 2.4 automatic trans service soon, trac, abs lights come on when shifting into gear after start when rpm drops below 1000. wheel sensors read as good while up in air and spun, problem seems more vacuum related than speed or vibration. any sugestions?

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  • Oldsmobile Master
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SCAN VECHICLE COULD BE THE VECHICLE SPEED SENSOR.

Posted on Nov 16, 2010

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1 Answer

I have 3 lights on my dash: Trac Off, Service Engine, Service Vehicle Soon. Has trouble shifting at times unless up a steep hill.


change mechanics . go to a trans shop you can trust , but in all fairness you might want to consider scrapping it

Mar 02, 2014 | 2002 Pontiac Grand Am

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Where is the traction control switch located on a 99 oldsmobile alero?


LOOK FOR ETS BUTTON ON THE CENTER OF THE CONSOLE.THE INDICATOR LIGHT WILL TURN OFF BUT LONG AS CURRENT NEED TO LIMIT WHEEL SPIN THE TRAC LIGHT WILL REMAIN ON.TAKE VECHICLE TO GARAGE OR DEALERSHIP.HAVE THEM SCAN THE ABS AND TRAC CONTROL SYSTEM.MOST OF THE TIME A BAD WHEEL SENSOR WILL SET OFF TRAC WARNING LIGHT.

Mar 05, 2011 | 1999 Oldsmobile Alero

1 Answer

Trac off light came on and car started missing


HAVE CAR SCANNED.TO SEE WHAT CODE YOU ARE GETTING.SOUND LIKE YOU HAVING PROBLEMS WITH THE ABS + TRAC SYSTEM.COULD BE WIRE GROUNDING CIRCUIT CAUSING THE TRAC LIGHT TO COME ON.

Jun 03, 2010 | 1999 Oldsmobile Alero

1 Answer

Anti lock and trac off light on oldsmobile 1999 alero


WHEN BOTH ANTI LOCK AND TRAC LIGHT ON YOU HAVE PROBLEM IN ABS BRAKE AND TRAC SYSTEM.THE DEALERSHIP HAS TO FIX THEY HAVE DIAGNOSTIC EQUIPMENT TO WORK ON IT.THE ONLY THING YOU CAN CHECK MAKE SURE ALTERNATOR OUT PUT VOLTAGE WITH ENGINE RUNNING IS 13.5 TO 14.5 VOLTS.BECAUSE IF ALTERNATOR OUT PUT LOW BOTH LIGHTS WILL COME ON ALSO CHECK THE ABS RELAY.

Apr 18, 2010 | 1999 Oldsmobile Alero

1 Answer

Service engin soon , Anti lock brake, & Trac control lights came on while driving 55 mph


CHECK ALTERNATOR OUTPUT.MAKE YOUR VOLTAGE OUT PUT IS 13.5 TO 14.5 VOLTS.IF NOT ALTERNATOR BAD IF ALTERNATOR GOOD THE DEALERSHIP HAS TO HOOK CAR TO DIAGNOSTIC TO CHECK THE ENGINE PCM CONTROLS AND ABS BRAKES AND TRAC.SYSTEM.REASON I SAID ALTERNATOR BECAUSE I SEEN ALTERNATOR GO BAD UNTIL IT OUTPUT WAS LOW CAUSING CHECK ENGINE LIGHT AND ABS LIGHT TO COME ON.

Mar 10, 2010 | 1999 Oldsmobile Alero

2 Answers

When I turn the steering wheel the low trac light


The steering wheel position, wheel speed sensors, and ABS systems are all used to provide traction control. You likely have a failure of one or more systems. Scan the ABS system and it will provide codes to help the diagnosis. Wheel speed sensors fail often, and it is likely one or more of these is contributing to the problem.

Oct 25, 2009 | 1999 Oldsmobile Alero

2 Answers

1999 Alero stalling and trac off light coming on


does the rpm motor kick down? you may need to check your vacuum hoses, and also you may want to check your exaust, sounds wierd but that can cause the car to stall at times.as for the traction light, your hitting the brakes to hard. try slowing down a little slower while stopping, and keep distance for saftey.. if you can take it a little slower at lights and turns, without braking hard and it stops stalling.

May 20, 2009 | 1999 Oldsmobile Alero

2 Answers

Transmission shifts hard when the trac off light comes on


youll need to scan for transmission codes. the trac off light is a default of the trans going into a default safety mode. Bad speed sensors and simple little bolt on items like that can cause the condition but only way to really nail it is with a computer.

Apr 06, 2009 | 1999 Oldsmobile Alero

1 Answer

1999 oldsmobile alero


you need a tech 1 or 2 scanner. when trac light comes on you have a problem in the abs brakes system .and trac control system.

Mar 13, 2009 | 1999 Oldsmobile Alero

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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