2022 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

DTC Table

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

x: Applicable-: Not applicable

DTC DESCRIPTION [360°VIEW MONITOR CONTROL MODULE (US)]

DTC System malfunction location i-ACTIVSENSE warning light Drive cycle Self test type(1) Memory function Refer to
B12BD:01 Rear mount camera circuit malfunction - - C, D x (See DTC B12BD:01 [360°VIEW MONITOR CONTROL MODULE] .)
B12BD:02 Rear mount camera circuit malfunction - - C, D x (See DTC B12BD:02 [360°VIEW MONITOR CONTROL MODULE] .)
B12C0:01 Side camera (LH) circuit malfunction - - C, D x (See DTC B12C0:01 [360°VIEW MONITOR CONTROL MODULE] .)
B12C0:02 Side camera (LH) circuit malfunction - - C, D x (See DTC B12C0:02 [360°VIEW MONITOR CONTROL MODULE] .)
B12C1:01 Side camera (RH) circuit malfunction - - C, D x (See DTC B12C1:01 [360°VIEW MONITOR CONTROL MODULE] .)
B12C1:02 Side camera (RH) circuit malfunction - - C, D x (See DTC B12C1:02 [360°VIEW MONITOR CONTROL MODULE] .)
B148E:01 Front camera circuit malfunction - - C, D x (See DTC B148E:01 [360°VIEW MONITOR CONTROL MODULE] .)
B148E:02 Front camera circuit malfunction - - C, D x (See DTC B148E:02 [360°VIEW MONITOR CONTROL MODULE] .)
U2301:56 360°view monitor control module configuration error ON (2) - C, D x (See DTC U2301:56 [360°VIEW MONITOR CONTROL MODULE] .)
U3000:04 360°view monitor control module internal malfunction - - C, D x (See DTC U3000:04 [360°VIEW MONITOR CONTROL MODULE] .)
U3000:42 360°view monitor control module internal malfunction - - C, D x (See DTC U3000:42 [360°VIEW MONITOR CONTROL MODULE] .)
U3000:49 360°view monitor control module internal malfunction - - C, D x (See DTC U3000:49 [360°VIEW MONITOR CONTROL MODULE] .)
(1) C: CMDTC self test, D: ODDTC self test

(2) Differs depending on the condition.
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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.