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sprinkles08, ASE Certified Technician
Category: RV
Satisfied Customers: 22674
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Cruise control doe't work, yes 8'1, 2005, yes nothing, no

Customer Question

cruise control doe't work
JA: Have you checked the fuse? What size is your engine?
Customer: yes 8'1
JA: What year is your GM?
Customer: 2005
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: yes nothing
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 11 months ago.
Category: RV
Expert:  Ryan Schott replied 11 months ago.

are your brake lights working?

Customer: replied 11 months ago.
Customer: replied 11 months ago.
this is on a motorhome
Expert:  Ryan Schott replied 11 months ago.

oh i'll open it back up, my factory diagrams will probably not apply to up-fitted vehicles, wait and someone will be with you shortly

Expert:  sprinkles08 replied 11 months ago.

Hello and welcome to JustAnswer!

There are many possible causes for cruise control not working. The problem may be the switch itself or the engine controller may be seeing an issue that may appear to be unrelated and is disabling cruise. For instance a cam or crank signal, electronic throttle control, transmission issue, etc can all prevent cruise from working.

The first step in diagnosing the problem is to use a scan tool or code reader to see what fault codes are setting. Have you checked for codes?

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