DTC B2780: Push Switch / Key Unlock Warning Switch Malfunction [02/2019 - ]: Description
WARNING: This page is about a different variant/trim than selected.
This DTC is stored if the transponder key ECU assembly does not detect that the unlock warning switch assembly is on even when the ignition switch is ON.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2780 | Push Switch / Key Unlock Warning Switch Malfunction | The unlock warning switch assembly is not detected as being on when the ignition switch is ON (1 trip detection logic*). |
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DTC Output Confirmation Operation:
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- *: Only output while a malfunction is present.
VEHICLE CONDITION AND FAIL-SAFE OPERATION WHEN MALFUNCTION DETECTED
| Vehicle Condition when Malfunction Detected | Fail-safe Operation when Malfunction Detected |
|---|---|
| Hybrid control system cannot be started | - |
RELATED DATA LIST AND ACTIVE TEST
| DTC No. | Data List and Active Test |
|---|---|
| B2780 | Key SW |