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| caution | During diagnosis, a DTC associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion, confirm all systems for DTC(s). If DTC(s) are set, erase them all. |
| DTC No. | Diagnostic item | Reference page |
| B1A08 | Keyless/F.A.S.T. key 1 fail |  |
| B1A09 | Keyless/F.A.S.T. key 2 fail | |
| B1A0A | Keyless/F.A.S.T. key 3 fail | |
| B1A0B | Keyless/F.A.S.T. key 4 fail | |
| B1A0C | Keyless key 5 fail | |
| B1A0D | Keyless key 6 fail | |
| B1A0E | Keyless key 7 fail | |
| B1A0F | Keyless key 8 fail | |
| B1A10 | Keyless/F.A.S.T. key 1 low BATT. | |
| B1A11 | Keyless/F.A.S.T. key 2 low BATT. | |
| B1A12 | Keyless/F.A.S.T. key 3 low BATT. | |
| B1A13 | Keyless/F.A.S.T. key 4 low BATT. | |
| B1A14 | Keyless key 5 low battery | |
| B1A15 | Keyless key 6 low battery | |
| B1A16 | Keyless key 7 low battery | |
| B1A17 | Keyless key 8 low battery |