charlottehartmann10
4008 Cruise Control Failure
Summary of the thread
The Peugeot 4008's cruise control failure was identified by the absence of the dashboard light and an error in the memory. Possible causes included a faulty pedal switch, a defective speed sensor, or a clock spring issue. The problem was resolved by addressing a defective cable/plug connection, confirmed by a mechanic.
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4 comment(s)
charlottehartmann10 (community.author)
Thanks for the suggestions. Where exactly are those switches located? And how would I check the connections?
matssturm77
On the Megane, the brake pedal switch was right above the brake pedal, easy to spot. The clutch switch was similar, near the clutch pedal. The connections are just plugs; check they're firmly in place and not corroded. Honestly, if you're not comfortable poking around, it might be best to get a workshop to take a look. I ended up doing that myself.
charlottehartmann10 (community.author)
Okay, thanks for the advice. I took it to a local mechanic, and you were right; it was a defective cable/plug connection. The repair cost me 95€. All sorted now.
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PEUGEOT
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4008
matssturm77
Hey, I had a similar issue with my old Renault Megane. Cruise control just died. For me, it turned out to be a faulty pedal switch. The car thought I was always pressing the brake or clutch, which disables the cruise control. Might be worth checking the connections to your brake light switch and clutch switch, if it's a manual. Could also be a faulty speed sensor. A defective clock spring can also cause issues.