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
Active Driving Display DTCS
DTC DESCRIPTION (ACTIVE DRIVING DISPLAY)
| DTC No. | Refer to |
|---|---|
| U0001:88 | (See DTC U0001:88/U0100:00/U0101:00/U0104:00/U0155:00/U0156:00/U0235:00/U023A:00 (ACTIVE DRIVING DISPLAY) .) |
| U0100:00 | |
| U0101:00 | |
| U0104:00 | |
| U0155:00 | |
| U0156:00 | |
| U0235:00 | |
| U023A:00 | |
| U0401:68 | (See DTC U0401:68 (ACTIVE DRIVING DISPLAY) .) |
| U0402:68 | (See DTC U0402:68 (ACTIVE DRIVING DISPLAY) .) |
| U0405:00 | (See DTC U0405:00 (ACTIVE DRIVING DISPLAY) .) |
| U0423:68 | (See DTC U0423:68 (ACTIVE DRIVING DISPLAY) .) |
| U0433:00 | (See DTC U0433:00 (ACTIVE DRIVING DISPLAY) .) |
| U053B:00 | (See DTC U053B:00 (ACTIVE DRIVING DISPLAY) .) |
| U3000:41 | (See DTC U3000:41 (ACTIVE DRIVING DISPLAY) .) |
| U3003:16 | (See DTC U3003:16 (ACTIVE DRIVING DISPLAY) .) |
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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