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.
2022 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE
Light Control Module (Front Combination Light)
LIGHT CONTROL MODULE (FRONT COMBINATION LIGHT) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Refer to |
|---|---|
| B124A:14 | (See DTC B124A:14 (BCM) .) |
| B124B:14 | (See DTC B124B:14 (BCM) .) |
| B1327:14 | (See DTC B1327:14 (BCM) .) |
| B1328:14 | (See DTC B1328:14 (BCM) .) |
| B14B2:14 | (See DTC B14B2:14 (BCM) .) |
| B14B3:14 | (See DTC B14B3:14 (BCM) .) |
| B1D00:14 | (See DTC B1D00:14 (BCM) .) |
| B1D01:14 | (See DTC B1D01:14 (BCM) .) |
| B1D02:14 | (See DTC B1D02:14 (BCM) .) |
| B1D03:14 | (See DTC B1D03:14 (BCM) .) |
| B2005:49 | (See DTC B2005:49 (BCM) .) |
| B2006:49 | (See DTC B2006:49 (BCM) .) |
| U2630:16 | (See DTC U2630:16 (BCM) |
| U2631:14 | (See DTC U2631:14 (BCM) .) |
| U2633:14 | (See DTC U2633:14 (BCM) .) |
| U2633:16 | (See DTC U2633:16 (BCM) .) |
| U2638:16 | (See DTC U2638:16 (BCM) |
| U2639:14 | (See DTC U2639:14 (BCM) .) |
| U263B:14 | (See DTC U263B:14 (BCM) .) |
| U263B:16 | (See DTC U263B:16 (BCM) .) |
Factory Service Tools
Use the Manual With the Right Hardware
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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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