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

Power Liftgate (PLG) Control Module

POWER LIFTGATE (PLG) CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC	Refer to
B144D:29	(See DTC B144D:29 (BCM) .)
B144D:64	(See DTC B144D:64 (BCM) .)
B144D:95	(See DTC B144D:95 (BCM) .)
B144E:29	(See DTC B144E:29 (BCM) .)
B144E:64	(See DTC B144E:64 (BCM) .)
B144E:95	(See DTC B144E:95 (BCM) .)
B144F:62	(See DTC B144F:62 (BCM) .)
B144F:79	(See DTC B144F:79 (BCM) .)
B1451:02	(See DTC B1451:02 (BCM) .)
B1454:13	(See DTC B1454:13 (BCM) .)
B1454:23	(See DTC B1454:23 (BCM) .)
B1455:13	(See DTC B1455:13 (BCM) .)
B1455:23	(See DTC B1455:23 (BCM) .)
B1456:62	(See DTC B1456:62 (BCM) .)
B145D:11	(See DTC B145D:11 (BCM) .)
B145D:12	(See DTC B145D:12 (BCM) .)
B145D:13	(See DTC B145D:13 (BCM) .)
B145D:19	(See DTC B145D:19 (BCM) .)
B1529:11	(See DTC B1529:11 (BCM) .)
B1529:12	(See DTC B1529:12 (BCM) .)
B1529:13	(See DTC B1529:13 (BCM) .)
B1529:19	(See DTC B1529:19 (BCM) .)
B152A:11	(See DTC B152A:11 (BCM) .)
B152A:12	(See DTC B152A:12 (BCM) .)
B152A:13	(See DTC B152A:13 (BCM) .)
B152A:19	(See DTC B152A:19 (BCM) .)
B152B:02	(See DTC B152B:02 (BCM) .)
B152C:02	(See DTC B152C:02 (BCM) .)
B200A:49	(See DTC B200A:49 (BCM) .)
B200A:55	(See DTC B200A:55 (BCM) .)
B200A:56	(See DTC B200A:56 (BCM) .)
B200A:62	(See DTC B200A:62 (BCM) .)
U2645:16	(See DTC U2645:16 (BCM) (US) .)
U2645:17	(See DTC U2645:17 (BCM) (US) .)
U2646:13	(See DTC U2646:13 (BCM) (US) .)
U2646:16	(See DTC U2646:16 (BCM) (US) .)
U2646:17	(See DTC U2646:17 (BCM) (US) .)
U2647:13	(See DTC U2647:13 (BCM) .)

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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