nico_lion1
Genesis cruise control failure
Summary of the thread
A 2012 Hyundai Genesis experienced a cruise control failure, with no visible dashboard errors but a stored error code in the system memory. Initial checks of fuses did not resolve the issue. A suggestion was made to inspect the speed sensor connections and pedal switch wiring, as a similar problem in another vehicle was caused by a faulty brake pedal switch connection. Ultimately, the problem was identified as a defective cruise control cable and plug, which were replaced, restoring functionality.
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4 comment(s)
nico_lion1 (community.author)
Interesting. Which pedal switch was it on the Saab? And was the speed sensor cable visibly broken?
alinaschmidt53
On the Saab, the issue was with the brake pedal switch. The connection was loose. I did not observe any damage, it simply appeared dysfunctional. Given that you've checked the fuses, the cable or plug connection of the component being defective appears to be the most likely cause. Honestly, I'd recommend taking it to a workshop. They'll have the right tools and diagnostic equipment to pinpoint the exact problem.
nico_lion1 (community.author)
Okay, sounds like a plan. I took your advice and went to the workshop, and it turns out it was the cruise control cable. They replaced it and the plug, and now it works like new. Total cost: 95€.
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HYUNDAI
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GENESIS
alinaschmidt53
I had a similar gremlin with my old Saab 9-5. The cruise control would randomly disengage, and it turned out to be a faulty connection in one of the pedal switches. It wasn't throwing any visible errors either, just a stored code. Have you checked the speed sensor connections, or any of the pedal switch wiring?