Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost of diagnosing the B2785 Lexus code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
The Certification ECU (Smart Key ECU Assembly) intermittently monitors the Local Interconnect Network (LIN) communication bus between the components related to certification. The Diagnostic Trouble Code (DTC) B2785 is stored when a malfunction in the LIN communication bus between the components related to certification is detected 3 times consecutively.
Need more information on how to fix the B2785 Lexus code? Get Access to Factory Service Manuals
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