Question about 2003 Oldsmobile Alero

1 Answer

How do I troubleshoot the cruise control of a 2003 Alero?

The cruise control works, sporadically, so I know that it does work, just not all the time. The indicator light is lit, so I know there is power going to the system, but I'm not sure where to go next.

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Oldsmobile Master
  • 13,773 Answers

It's probably a problem with cruise control module , located under the hood in engine compartment . Or a bad connection somewhere . Do you know how to do electrical testing ? Is the air bag light lit on the instrument cluster ?

Could have DTC'S - diagnostic trouble code's stored .
DTC P1554
The powertrain control module (PCM) inhibits cruise control operation when certain conditions are not appropriate for cruise control operation. The PCM removes the ground from the cruise control inhibit signal circuit in order to disengage cruise control operation.
DTC P1585
Output driver modules (ODMs) are used by the powertrain control module (PCM) in order to turn on many of the current driven devices that are needed to control various engine and transaxle functions. DTC P1558 set indicates that an improper voltage level has been detected on the signal circuit which controls the cruise control inhibit circuit.
Action Taken When the DTC Sets
• The PCM will not illuminate the malfunction indicator lamp (MIL).
• The PCM will store the conditions present when the DTC set as Failure Records data only.

Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions. However, steep grades may cause variations in the selected speeds. The electronic cruise control system has the capability to CRUISE, COAST, RESUME SPEED, ACCELERATE, and TAP-UP or TAP-DOWN.
The main parts of the cruise control system are:
• The cruise control module assembly
• The function control switches
• The cruise control release switch
• The clutch pedal position switch (CPP), if equipped
• The stop lamp switch assembly
• The vehicle speed sensor
The cruise control system uses the cruise control module assembly to maintain the desired vehicle cruise speed and operation. The cruise control module assembly has an electronic controller and an electric stepper motor to vary the throttle in each different cruise control mode. The electric controller monitors vehicle speed and operates the electric stepper motor. The stepper motor operates in response to the electronic controller, to maintain the desired cruise speed. The electric stepper motor moves a strap that is attached to the cruise control cable which moves the throttle linkage. The cruise control module assembly contains a low speed limit which will prevent system engagement below a minimum speed of 40 km/h (25 mph). The module assembly is not serviceable.

Posted on Dec 11, 2016

Testimonial: "Is the cruise control module expensive, if so, approximately how much would it cost(ballpark figure). Then, how difficult it is to swap out?"

  • Jeff Armer Dec 11, 2016

    Watch this video !
    Do you have automotive salvage yard near your or you could get from off ebay $20



1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

2 Answers

My heater fan works when it feels like it, cruise is the same, also the overhead display blanks out totally sporadically.Does the body module control all of these?

Possible there is a main multi pin harness plug / socket not fully connected. Has it had any work that may have disturbed anything?

Apr 27, 2015 | 2003 Chevrolet Monte Carlo

1 Answer

Why does my cruise control on my 2011 Silveradi 1500 work sporadicately

It could be a loose connection or bad button. There is also a minimum speed needed.Try holding the button for at least a second.

Nov 28, 2014 | 2011 Chevrolet Silverado 1500

1 Answer

2003 oldsmobile alero v6 -- cruise control stopped working...The cruise on/of button lights up, the green light cruise indicator comes on in the dash panel, but cruise control does not engage when CST SET...

Try checking the small switch at the top of the brake pedal. There may be two one for brake lights and one for the cruise control. To ascertain what is what, pull one wire off and see if brake lights work. If not, then the other switch controls the cruise control disconnect and engage..I you have a DC test light check to see if power is on on both side of the switch with brake pedal up. If so, depress pedal and check power on the other side there should be none, if there is the switch is defective.

Aug 02, 2017 | Cars & Trucks

1 Answer

Horn wiring skimatics for 2004 Oldsmobile Alero

The 2004 Oldsmobile Alero is a very reliable vehicle. It averages a 6.1 on the steering, handling, and braking tests.

Heavy Duty Truck Diagnostic
Allscanner VCX

Dec 04, 2012 | 2003 Oldsmobile Alero

1 Answer

I have a 2000 Oldsmobile alero and the cruise control light will not stay on, and cruise will not work.

there might be a problem with your brake system. If there is it wont allow the cruise to work. Hope this helps alittle

Jan 26, 2010 | 2000 Oldsmobile Alero

2 Answers

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.

Mar 31, 2009 | 1999 Oldsmobile Alero

3 Answers

Cruise control switch won't work on a 2003 Alero

if it worked before i would chk. the fuse, there will be one for it, but if its blowen something made it do it. i would replace it, and if it blows again, you will have to find the cause, could be switch.

Jan 27, 2009 | 2003 Oldsmobile Alero

2 Answers

Electrical issues

Ignition switches on Aleros are notorious for going bad and causing the exact problem you describe. The next time it happens, try turning the ignition key back and forth slightly. If everything starts working again, then have the ignition switch replaced.

Aug 08, 2008 | 2003 Oldsmobile Alero

Not finding what you are looking for?
2003 Oldsmobile Alero Logo

Related Topics:

68 people viewed this question

Ask a Question

Usually answered in minutes!

Top Oldsmobile Experts


Level 3 Expert

78010 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22306 Answers

Jeffrey Turcotte
Jeffrey Turcotte

Level 3 Expert

8832 Answers

Are you an Oldsmobile Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides