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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Cruise control quit working, swapped out fuses under hood (AC & Speed), AC continued to work, Cruise worked one time and stopped, not a fuse issue. Maybe speed sensor....any ideas?
Are you getting any codes? To check you need to cycle the ignition key On - Off - On - Off – On within 5 seconds. If you have any codes they will show up instead of seeing your mileage.
Are you running a handheld tuner at all? They cause problems with cruise dpending upon software updates and model years...etc
Otherwise i would say you've got a bad servo motor.