Diagnostic Trouble Code Chart
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
Certification ECUDTC Code | Detection Item | Trouble Area | See page |
|---|---|---|---|
B27A1 |
Open in Driver Side Electrical Antenna Circuit |
- Harness or connector - Front door outside handle assembly (for driver side) - Certification ECU |
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B27A2 |
Open in Front Passenger Side Electrical Antenna Circuit |
- Harness or connector - Front door outside handle assembly (for front passenger side) - Certification ECU |
|
B27A5 |
Open in Front Floor Electrical Key Oscillator Circuit |
- Harness or connector - Indoor No. 1 electrical key antenna (front floor) - Certification ECU |
|
B27A6 |
Open in Rear Floor Electrical Key Oscillator Circuit |
- Harness or connector - Indoor No. 2 electrical key antenna (rear floor) - Certification ECU |
|
B27A7 |
Open in Inside Luggage Compartment Electrical Key Oscillator Circuit |
- Harness or connector - Indoor No. 2 electrical key antenna (inside luggage) - Certification ECU |
|
B27A8 |
Open in Outside Luggage Compartment Electrical Key Antenna Circuit |
- Harness or connector - Electrical key antenna (outside luggage) - Certification ECU |
|
Test yourself
A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.