Code Definition

B3105 — Keyless Entry Transmitters

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

About B3105

B3105 is a manufacturer-specific body diagnostic trouble code recorded for Holden 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.

B3105 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 Body Control Module (BCM) monitors the keyless entry receiver input to verify valid radio frequency signals from programmed remote transmitters. DTC B3105 is set when the BCM detects an invalid, missing, or unrecognised transmitter signal during a keyless entry request, or when the number or identity of learned transmitters does not match expected parameters. The remote transmitters send a coded radio frequency message that the receiver passes to the BCM, which checks it against the list of programmed remotes before actioning lock, unlock, or boot commands. When this code is set the remote...

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