B27A5 SCION - Open In Front Floor Electrical Key Oscillator Circuit
B27A5 SCION Possible Causes
- Faulty Indoor Electrical Key Oscillator (for front floor)
- Indoor Electrical Key Oscillator harness is open or shorted
- Indoor Electrical Key Oscillator circuit poor electrical connection
- Faulty Certification ECU (Smart Key ECU Assembly)
First diagnose B27A5 SCION code
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 B27A5 SCION code
Labor: 1.0The cost of diagnosing the B27A5 SCION 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.
B27A5 SCION Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B27a5 Scion DescriptionThe Certification ECU (Smart Key ECU Assembly) generates a request signal and sends it to the Indoor Electrical Key Oscillator (for front floor). To detect the key inside the cabin, the Indoor Electrical Key Oscillator (for front floor) creates a detection area in the cabin.
The Diagnostic Trouble Code (DTC) B27A5 is detected by the Certification ECU (Smart Key ECU Assembly) when an open circuit occurs between the Certification ECU (Smart Key ECU Assembly) and Indoor Electrical Key Oscillator (for front floor) terminals.
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