Peugeot 206 clutch pedal switch issue

Hi, I have a 2011 Peugeot 206 diesel. I'm having some issues that seem to point to a faulty clutch pedal switch. I get an error stored in the memory, the gear selection display in the speedometer doesn't work, cruise control is dead, and sometimes the engine won't even start. I've checked the cable and plug connection but can't see anything obviously defective. Mileage is 139794 km. Any ideas?

4 comment(s)

Sounds familiar! I had similar symptoms on my old Vauxhall Astra. Error codes, intermittent starting, the works. I'd put money on it being either the switch itself or the wiring harness leading to it. Check for voltage at the switch when the pedal is pressed. A multimeter is your friend here. The ECU relies on that signal to know when the clutch is engaged for starting, cruise, and gear indication on some models.

Voltage at the switch when pressed, got it. So even if the cable looks okay, it could still be the culprit? What exactly did you replace on your Astra to fix it?

Yep, the cable can look perfect but have a break internally causing an open circuit or high resistance, you need to measure it. I replaced the switch first as it was cheap and easy, but that didn't fully resolve it. Ended up finding a corroded section of the wiring harness near the connector. You'll probably save yourself some grief by taking it to a shop to have them diagnose the circuit, could save you a load of time. Cost me about 80€ all in for the wiring repair on my Astra at a local garage.

Thanks. I'll check the voltage. If that's not it I'll take it in. Workshop confirmed it, faulty switch and quoted 95€. Thanks again for your help.

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