Code Definition

B1047 — RHF Side Airbag Squib Incorrect Assembly Installed

System: Body  |  Type: Manufacturer-Specific  |  Make: Mazda

About B1047

B1047 is a manufacturer-specific body diagnostic trouble code recorded for Mazda vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

B1047 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

On Mazda vehicles fitted with side impact supplemental restraints, the Restraint Control Module (RCM) continuously monitors the resistance and identification of every airbag squib circuit to verify that the correct initiator is installed. Fault code B1047 is stored when the RCM detects that the right hand front (RHF) side airbag squib assembly reports an incorrect identification value, an incompatible resistance, or a circuit signature that does not match the configuration stored in the module. This commonly follows installation of an incorrect replacement airbag during repairs, a non Mazda af...

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