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Hyundai i40 Cruise Control Failure

Cruise control on my 2011 Hyundai i40 diesel has stopped working at 107381 km. Diagnostic tool shows an error. Fuses are fine. Could it be the brake light switch, clock spring, or speed sensor? I'm not clued up on car electrics, so any pointers would be amazing!

The cruise control on a 2011 Hyundai i40 diesel stopped working at 107,381 km, with a diagnostic tool indicating an error. Possible causes suggested include issues with the brake light switch, clock spring, or speed sensor. A faulty connection was identified as the problem, which was resolved at a local garage.

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4 comment(s)

I also drive a Hyundai i40. I had a similar cruise control issue. It might be a defective cable or plug connection. Have you checked the pedal switch? Is the error message still present after clearing the error memory?

Thanks for the reply! When you say pedal switch, do you mean the accelerator or the brake pedal? Is there any easy way to check the cables and plugs myself, or am I best off just taking it to a garage?

I meant the brake pedal switch. If the issue persists after inspecting these components, and given the error code, a visit to a workshop is advisable to rule out other potential faults within the cruise control system.

Thanks so much for the advice! I took it to a local garage, and you were spot on it was a faulty connection. They sorted it for 95€. You saved me a lot of guesswork!

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HYUNDAI

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I40