DTC B27C0-57: Digital Key System Invalid/Incompatible Software Component [11/2021 - ]: Description
This DTC is output when 1 or more electrical key transmitter sub-assemblies are registered and MAC data mismatch was detected 10 times in succession from the digital key computer assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B27C0-57 | Digital Key System Invalid/Incompatible Software Component | 1 or more electrical key transmitter sub-assemblies are registered and MAC data mismatch was detected 10 times in succession from the digital key ECU assembly |
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DTC Output Confirmation Operation:
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VEHICLE CONDITION AND FAIL-SAFE OPERATION WHEN MALFUNCTION DETECTED
| Vehicle Condition when Malfunction Detected | Fail-safe Operation when Malfunction Detected |
|---|---|
| Digital key system does not operate | - |