Cruise Control Diagnostic Question
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Joined: Jun 2004
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From: Pelahatchie, MS
Cruise Control Diagnostic Question
My cruise doesn't work. When the button is pressed, there is no indicator light. The cruise won't engage at all. I printed out the troubleshooting sheets from alldata and did the whole test routine, and it turns out that the cruise control servo is bad. I have tried to get it to go into diagnostic mode to see if it would throw a flash code, and I can see the cruise indicator flash on to indicate programming mode, but it won't respond the rest of the key in sequence. I know the buttons are sending a signal because of the tests I ran previously. My question is this: Will a bad servo prevent the system from going all the way into diagnostic mode?
I don't want to spend the money on the servo only to find it was some other problem that was pointing at or being masked by the servo.
I don't want to spend the money on the servo only to find it was some other problem that was pointing at or being masked by the servo.
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Joined: Oct 2009
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I had the same problem with my cruise control. I changed the brake pressure switch because it looked like it was leaking ($12.99), then I found out this was a recall issue so it was good because the fuse had blown. I replaced the fuse and the whole system worked perfectly, but the only thing is that the cruise light on the dash does not come on. Hope you figure it out.
HH
HH
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2002, control, cruise, diagnostic, f150, flash, ford, intermittent, motor, problems, servo, speed, speed control, stepper, troubleshooting
