wolfganglion1

CT200h Door Lock Failure

I'm having an issue with my 2021 Lexus CT200h hybrid. I've got 193306 km on the clock. Suddenly, one of the doors won't lock or unlock anymore. I'm guessing it's the door contact signal that's faulty. I've checked the fuses and they seem okay. Has anyone else experienced something similar? I was thinking of checking the wiring harness next.

A 2021 Lexus CT200h experienced a door lock failure, suspected to be due to a faulty door contact signal. Initial checks of the fuses showed no issues. A similar past issue suggested checking the wiring harness and cable connections. Ultimately, the problem was identified as a defective plug connection, which was confirmed and repaired by a mechanic.

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4 comment(s)

I had a similar problem with my CT200h. It was a while back, but if I remember correctly, it also affected just one door. Did you check for any obvious damage to the cable where it goes into the door?

Thanks for the quick reply! No, I haven't peeled back the rubber boot between the door and the frame yet. Was your issue intermittent at first, or did it just completely stop working one day?

Mine was pretty sudden, just stopped working. It could still be the cable, but in my case, it ended up being the plug connection itself. Honestly, unless you are really comfortable with vehicle electrics, I would take it to a workshop. It might save you a lot of time.

Thanks for the advice! You were right, I took it to a local shop, and the mechanic confirmed it was a defective plug connection. The repair cost was 95€. Appreciate the help!

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LEXUS

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CT200H