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Ask Chad Farhat Your Own Question
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Chevy
Satisfied Customers: 3257
Experience:  Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles A6 - Electrical / Electronic systems A7 Heating / Air Conditioning systems
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My cruise control is not working.When i press the switch on

Customer Question

my cruise control is not working.When i press the switch on the steering the yellow light comes on but when i try to engage the cruise control nothing happens.
JA: While using the cruise control can you accelerate or decelerate? Have you checked the fuses?
Customer: is there a fuse for the cruise control?
JA: What is the model/year of your Chevy?
Customer: Cobalt LT 2009
JA: Are you fixing your Cobalt yourself? What have you tried so far?
Customer: I checked the lights in the upper bar and all 3 seem to be o.k.
JA: Anything else you want the mechanic to know before I connect you?
Customer: i changed the brake switch on the pedal a few weeks ago does it come from there?
Submitted: 8 months ago.
Category: Chevy
Expert:  Chad Farhat replied 8 months ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 8 months ago.

Hey how are you

is you 3rd brake light working , the one mounted on trunk lid in the middle of the top of trunk lid?

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Customer: replied 8 months ago.
Expert:  Chad Farhat replied 8 months ago.

if the brake light not working the Part # 912 ( Bulb needed) at advance auto parts $4 for the bulb, replace the bad bulbs there will be 3 of them in there .

1- if that don't work , then go to the BCM , internal relay be bad, but not serviceable, so module replacement will be needed if that is the case .

I sent you location picture of the BCM , press on the blue link to view pictures ,there is 2 diagrams , # 7 is the BCM in one & # 8 in the othere diagram , same part just different view of the location of it

2- switches is problem but yours seems to work when press them ,so these should be good .

3- Do an ECM reset , by disconnecting the battery for 15 minutes and see if it a matter of resetting the module ,if none the above worked .

Please let me know if you need anything else on it, just reply back and we will continue

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Thank You
Chad Farhat
ASE Certfied Technician

Expert:  Chad Farhat replied 8 months ago.

This the wiring the circuit for your cruise system , i would check all the wires in the circuit and do a continuity test on them

Please let me know if you need anything else

Thank You

Chad Farhat

ASE Certified Technician

Expert:  Chad Farhat replied 8 months ago.

https://www.dropbox.com/s/c8y781flgairr37/1.gif?dl=0

this a link to my drop box for the same circuit diagram in case you can not see it good , so you can zoom in on it

Chad