schrob Posted May 29, 2023 Share Posted May 29, 2023 2016 RX 450H LKA malfunction error message appearing infrequently for no apparent reason. Shutting off the car, then immediately restarting causes error to disappear. No definitive guidance from dealer. "Recommends" replacing Steering Assist ECU ($600.00 plus labor) with no guarantee. Wish to simply suppress meaningless annoying error message for good. Any ideas? Quote Link to comment Share on other sites More sharing options...
RX400h Posted May 30, 2023 Share Posted May 30, 2023 Have you deleted the code with an OBD II scanner? That's what the dealership should've done to verify the cause. Quote Link to comment Share on other sites More sharing options...
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