Start by checking 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 to diagnose the B1207 LEXUS code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The Certification ECU communicates with the Transponder Key to verified that the Key has been registered to the vehicle. The Engine Control Module (ECM) sets the ODBII code when communication between the Certification ECU and gateway ECU stops for more than 10 seconds.
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