Question about 2000 Oldsmobile Alero

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Warning lights remain illuminated, Alero

5 indicator lights stay illuminated after engine is started. Cruise control, Traction control functions will not work when lights are illuminated. After resetting computer by disconnecting battery and waiting 10 minutes Most all indicator lights go dark. One service light located in top right of panel stays illuminated. After any where from 10 seconds to 1 minute after motor is running a "ding" is heard and all lights on panel illuminate. Problem has existed for about 2 years. Just recently gave the car to my son and would like to get the problem resolved. Any help would be greatly appreciated.

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  • John Michael Feb 09, 2012

    This has been done. I've reset the computer numerous times to no avail. Could it be a bad ECM? I tried replacing this with a used one and the illumination problems were multiplied. Checked all the fuses and relays they test good.

  • John Michael Feb 09, 2012

    This has been done. I've reset the computer numerous times to no avail. Could it be a bad ECM? I tried replacing this with a used one and the illumination problems were multiplied. Checked all the fuses and relays they test good

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  • 11 Answers

Does the anti-lock brake light come on too? and ive found the best way to reset codes manually is disconnect the battery terminals pos. and ground. then touch them together( the battery cable terminals) their is a copasitor that will store enough power to hold your codes in the ecm. this way you are essentially grounding the system to drain all residual power stores

Posted on Feb 09, 2012

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SOURCE: 1999 oldsmobile alero the traction and cruise not working

use a scanner to check the abs system . most of the time the abs brakes and traction control system work together. your cruise control . unit has a servo motor .in front right fender well. check the fuse and relay also the cruise control brake release switch. and the brake light switch.if all is good you have a cruise control module problems. dealer ship job.

Posted on Apr 02, 2009

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2005_cluster_01s.jpg
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Hope this helps.
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1999 oldsmobile alero the traction and cruise not working


use a scanner to check the abs system . most of the time the abs brakes and traction control system work together. your cruise control . unit has a servo motor .in front right fender well. check the fuse and relay also the cruise control brake release switch. and the brake light switch.if all is good you have a cruise control module problems. dealer ship job.

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Problem with my cruise control and ABS light on 03 Explorer


Anti-Lock Control —Vehicles Built After 03/2002 The 3-channel anti-lock brake system consists of the following components:
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The 4-channel anti-lock brake system with traction control and stability assist system consists of the following components:
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---------------------------------------------------------------------
I suspect the abs issue is causing the speed control not to work if it happened at the same time the cruise control stopped working. When the yellow ABS light comes on, it means the ABS is dactivated. You may have a faulty accelerometer which senses acceleration and yaw (side to side lean). I have not seen a bad one but you said it is sensitive to acceleration.
I would unplug it and see what happens. The connector should have a small tab to depress so you can pull the connector out.
Here is where it is:

Accelerometer Removal and Installation
  1. NOTE: The accelerometer is located under the center, rear passenger seat carpet. (I think you have to remove seat for access).
    Cut the carpeting along the perforations.
  1. Disconnect the electrical connector.
  1. Remove the nuts and remove the accelerometer.
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Have dealer hook up tester and pull fault codes if you can't find an easy solution.
Some background info
  • A malfunction in the anti-lock brake system will cause the anti-lock brake control module to shut off or inhibit the system. However, normal power-assisted braking remains.
  • Malfunctions are indicated by the yellow ABS warning indicator in the instrument cluster.
  • The anti-lock brake system is self-monitoring. When the ignition switch is turned to the RUN position, the anti-lock brake control module will carry out a preliminary self-check on the anti-lock electrical system indicated by a three-second illumination of the yellow ABS warning indicator in the instrument cluster.
  • During vehicle operation, including normal and anti-lock braking, the anti-lock brake control module monitors all electrical anti-lock functions and some hydraulic operations.
  • Each time the vehicle is driven, as soon as vehicle speed reaches approximately 20 km/h (12mph), the anti-lock brake control module turns on the pump motor for approximately one-half second. At this time, a mechanical noise may be heard. This is a normal function of the self-check by the anti-lock brake control module.
  • Pedal pulsation coupled with noise while braking on loose gravel, bumps, wet or snowy roads is normal and indicates correct functioning of the anti-lock brake system.
  • Warning Lamp Indicator
    The anti-lock brake system (ABS) uses the yellow ABS warning indicator to alert the driver of a malfunctions in the ABS.
    The yellow ABS warning indicator will come on to warn the driver that the ABS has been turned off due to a symptom that exists in the ABS. Normal power assist braking remains but wheels can lock during a panic stop while the yellow ABS warning indicator is illuminated.

    -----------------------------------------
    Please report back, I am curious if that is what it is. Good luck

    Mar 03, 2009 | 2003 Ford Explorer

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