Open In Front Passenger Side Electrical Antenna Circuit
Table of contents
B27A2 TOYOTA Possible Causes
- Faulty Front Passenger Door Outside Handle Assembly
- Front Passenger Door Outside Handle Assembly harness is open or shorted
- Front Passenger Door Outside Handle Assembly circuit poor electrical connection
- Faulty Certification ECU (Smart Key ECU Assembly)
How do I fix code B27A2 TOYOTA?
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.
Cost of diagnosing the B27A2 TOYOTA code
The cost of diagnosing the B27A2 TOYOTA 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B27A2 TOYOTA Description
The Certification ECU (Smart Key ECU Assembly) generates a request signal and sends it to the door electrical key oscillator built into the front door outside handle assembly (for front passenger side) at 0.25-second intervals. To detect a key near the front passenger door, the front door outside handle assembly (for front passenger side) creates a detection area with a radius of approximately 1.0 m (3.28 ft.) from the front passenger door at 0.25-second intervals.
The Diagnostic Trouble Code (DTC) B27A2 is detected by the Certification ECU (Smart Key ECU Assembly) if an open circuit is detected between the Certification ECU (Smart Key ECU Assembly) and front door outside handle assembly (for front passenger side) terminals