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International Automotive Technicians Network
Re: 2018 toyota prius parking assist malfunction
Posted to Technical Discussion Forum on 1/25/2023 1 Reply

If you have a damaged sensor, why not unplug it and see if comm is restored? It could be shorted internally and pulling down the supply from the module.

Otherwise, check the "usual" - power, ground, and comm circuits at the parking assist module. Login to read more.

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