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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis (Single Page) >> External Pages >> Different variant/trim >> Section 119 (Smart Key System (For Entry Function) (Plug-In) (Diagnostic Codes & Symptom Tests)) >> SMART KEY SYSTEM (for Entry Function) >> DTC B27A8: Open in Outside Luggage Compartment Electrical Key Antenna Circuit >> Description
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DTC B27A8: Open in Outside Luggage Compartment Electrical Key Antenna Circuit: Description

WARNING: This page is about a different variant/trim than selected.

The certification ECU (smart key ECU assembly) generates a request signal and sends it to the electrical key antenna (for rear side). To detect the key near the driver door, the electrical key antenna (for rear side) creates a detection area with a radius of approximately 1.0 m (3.28 ft.) from the back door.

DTC B27A8 is detected by the certification ECU (smart key ECU assembly) when an open circuit occurs between the certification ECU (smart key ECU assembly) and electrical key antenna (for rear side) terminals (between CLG8 and ANTE8, or CG8B and CLGB).

DTC No. DTC Detection Condition Trouble Area
B27A8 Open circuit detected between the certification ECU (smart key ECU assembly and electrical key antenna (for rear side) terminals (between CLG8 and ANTE8, or CG8B and CLGB).
  • Electrical key antenna (for rear side)
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector