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Pete, Auto Service Technician
Category: Chevy
Satisfied Customers: 27814
Experience:  14 years GM dealer Technician.
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Need technical support. Have a cruise control on a 2000

Customer Question

Need technical support. Have a cruise control on a 2000 chevy malibu not working for a while. Need a Chevy expert. I found a chart on you tube, pins a,b,c,d,e,f and g have passed. The 2 remaining pins which are K( signal change in low voltage) and H( cruise
control signal disengage) How with a standard voltage meter at home can I check to see if these are functioning properly??
Submitted: 1 year ago.
Category: Chevy
Customer: replied 1 year ago.
Expert:  Pete replied 1 year ago.
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
Below are some links you can copy and paste into a new web page or web tab to view the cruise control diagnostic procedure for your exact model here.If this doesn't help you locate the fault let me know.
IMPORTANT: Perform the following in order to avoid misdiagnosis.
^ Inspect for proper operation of brake lamps.
^ Inspect throttle linkage for mechanical binding which could cause the system to malfunction.
^ Inspect cruise control cable adjustment, should have minimum slack.
^ Inspect for stored Diagnostic Trouble Codes (DTCs) in the PCM. Refer to A Powertrain On Board Diagnostic (OBD) System Check in Engine Controls.
^ EMI on the speed sensor signal circuit may cause erratic cruise control operation.
^ When vehicle speed is more than 40 km/h (25 mph)
^ When PARK, REVERSE, NEUTRAL, or 1st gear is not indicated by the Park/ Neutral Position Switch.
^ When an over/undercharged battery condition does not exist.
^ With normal engine RPM.
^ Without high engine RPM (fuel cut-off). Refer to Fuel Metering Modes of Operation in Engine Controls for additional information.
Thanks Pete