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.
2017 Mazda CX-5 Grand Select, AWDFACTORY OEM SERVICE PROCEDURE
Advanced Keyless Entry System
x: Applicable-: Not applicable
ADVANCED KEYLESS ENTRY SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC No. | Description | Service Information |
|---|---|---|
| B10C6:1F | Keyless antenna (exterior, rear) circuit malfunction | (See DTC B10C6:1F [START STOP UNIT] .) |
| B10C7:1F | Keyless antenna (interior, rear) circuit malfunction | (See DTC B10C7:1F [START STOP UNIT] .) |
| B10C9:1F | Keyless antenna (interior, front) circuit malfunction | (See DTC B10C9:1F [START STOP UNIT] .) |
| B10D1:23 | Request switch (LF) circuit malfunction | (See DTC B10D1:23 [START STOP UNIT] .) |
| B10D3:23 | Request switch (RF) circuit malfunction | (See DTC B10D3:23 [START STOP UNIT] .) |
| B11C4:23 | Request switch (liftgate) circuit malfunction | (See DTC B11C4:23 [START STOP UNIT] .) |
| B11FD:1F | Keyless antenna (exterior, LF) circuit malfunction | (See DTC B11FD:1F [START STOP UNIT] .) |
| B1210:1F | Keyless antenna (exterior, RF) circuit malfunction | (See DTC B1210:1F [START STOP UNIT] .) |
| B13C3:04 | LF control unit internal malfunction | (See DTC B13C3:04 [START STOP UNIT] .) |
| B13C3:09 | LF control unit malfunction | (See DTC B13C3:09 [START STOP UNIT] .) |
| B13C3:16 | LF control unit power supply voltage low input | (See DTC B13C3:16 [START STOP UNIT] .) |
| B13C3:29 | Communication error between start stop unit and LF control unit | (See DTC B13C3:29 [START STOP UNIT] .) |
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.