Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Mazda CX-3 AWDFACTORY OEM SERVICE PROCEDURE
Advanced Keyless Entry System DTCS
DTC DESCRIPTION (ADVANCED KEYLESS ENTRY SYSTEM)
| DTC No. | Refer to |
|---|---|
| B10C6:1F | (See DTC B10C6:1F (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B10C7:1F | (See DTC B10C7:1F (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B10C9:1F | (See DTC B10C9:1F (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B10D1:23 | (See DTC B10D1:23 (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B10D3:23 | (See DTC B10D3:23 (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B11C4:23 | (See DTC B11C4:23 (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B11FD:1F | (See DTC B11FD:1F (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B1210:1F | (See DTC B1210:1F (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B13C3:04 | (See DTC B13C3:04 (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B13C3:09 | (See DTC B13C3:09 (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B13C3:16 | (See DTC B13C3:16 (ADVANCED KEYLESS ENTRY SYSTEM) .) |
| B13C3:29 | (See DTC B13C3:29 (ADVANCED KEYLESS ENTRY SYSTEM) .) |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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