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.
2020 Mazda CX-30 Base, AWDFACTORY OEM SERVICE PROCEDURE
Driver monitoring camera unit
DRIVER MONITORING CAMERA UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Refer to |
|---|---|
| B14F3:04 | (See DTC B14F3:04 [VEHICLE CONTROL MODULE] .) |
| B14F3:16 | (See DTC B14F3:16 [VEHICLE CONTROL MODULE (US)] .) |
| B14F3:49 | (See DTC B14F3:49 [VEHICLE CONTROL MODULE] .) |
| B14F3:4B | (See DTC B14F3:4B [VEHICLE CONTROL MODULE] .) |
| B14F3:55 | (See DTC B14F3:55 [VEHICLE CONTROL MODULE] .) |
| B14F3:64 | (See DTC B14F3:64 [VEHICLE CONTROL MODULE] .) |
| B14F3:86 | (See DTC B14F3:86 [VEHICLE CONTROL MODULE] .) |
| B14F3:87 | (See DTC B14F3:87 [VEHICLE CONTROL MODULE] .) |
| B14F3:88 | (See DTC B14F3:88 [VEHICLE CONTROL MODULE] .) |
| B14FF:00 | (See DTC B14FF:00 [VEHICLE CONTROL MODULE] .) |
| U2125:00 | (See DTC U2125:00 [VEHICLE CONTROL MODULE] .) |
| U2505:82 | (See DTC U2505:82 [VEHICLE CONTROL MODULE] .) |
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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