Toyota Yaris: Smart Key System (for Entry Function) / Diagnostic Trouble Code Chart

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Entry Function) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Entry and Start System (for Entry Function)

DTC No.	Detection Item	Link
B27A113	Driver Side Electrical Antenna Circuit Open
B27A213	Front Passenger Side Electrical Antenna Circuit Open
B27A813	Outside Luggage Compartment (Back Door) Electrical key Antenna Circuit Open

Dtc Check / Clear

DTC CHECK / CLEAR CHECK FOR DTC NOTICE: When DTC is output, Be sure to confirm and record. When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1...

Driver Side Electrical Antenna Circuit Open (B27A113)

DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly LH (electrical key antenna) at intervals of 0...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Rear Brake Flexible Hose

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Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U010487,U012287)

DESCRIPTION The ECM communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U010087 Lost Communication with ECM/PCM "A" Missing Message When the dynamic radar cruise control system is operating, a communication malfunction between the skid control ECU (brake actuator assembly) and ECM is detected for approximately 1 second or more...