Lexus RX 350 driver-assistance or collision-system warning diagnosis This Lexus RX guide is based on 2 documented technical cases, including 1 confirmed successful repair outcome. It summarizes the captured evidence without assuming every vehicle with a similar symptom has the same cause. Documented applicability includes 2017.
What Drivers or Technicians Reported
Documented complaints included: Pre-collision-system malfunction message and C1AAE after windshield replacement.; ABS warning, lane-departure warning and eventual loss of vehicle movement..
Fault Codes Seen in Supporting Cases
Codes included C1AAE, C1425. A code is a diagnostic clue, not automatic proof that a specific part failed.
Causes Confirmed in Documented Cases
Loose/not-fully-seated forward-camera heater connector. Stop-lamp switch out of adjustment.
What the Diagnostic Process Found
Connector not clicked tight; heater and wiring fine Out of adjustment
Repairs That Corrected Documented Cases
Adjust stop-lamp switch
Lexus RX Diagnosis in Hickory, NC
Mich's Foreign Cars has served Hickory and the surrounding Western North Carolina area since 1983. We specialize in European and foreign vehicles and use professional diagnostic equipment to identify the cause before recommending repairs. If your Lexus RX is showing this symptom or fault pattern, call Mich's Foreign Cars at 828-324-6012 to schedule diagnosis.