Code Definition

B1011 (95) — SRS control module connection loose or damaged

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

About B1011

B1011 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.

B1011 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

The Supplemental Restraint System (SRS) control module, also known as the Restraint Control Module (RCM), is the central processor for the vehicle's airbag and seatbelt pretensioner systems on Mazda vehicles. It is typically mounted under the centre console or beneath the front seats and connects to the vehicle wiring harness via a multi-pin connector that carries power, ground, diagnostic communication, and deployment command signals. DTC B1011:95 is set when the RCM detects a loose, intermittent, or damaged electrical connection at its main harness connector, identified through internal moni...

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