Code Definition

B3045 — Immobiliser System Fault

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

About B3045

B3045 is a manufacturer-specific body diagnostic trouble code recorded for Chery 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.

B3045 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) or dedicated Immobiliser Control Module monitors the immobiliser system to verify valid key identification and authorisation before enabling engine start. DTC B3045 is set when the control module detects an invalid, missing, or implausible immobiliser signal, or a failure in communication between the immobiliser components during the key on or start request sequence. The immobiliser uses an antenna coil at the ignition lock or proximity reader area to read a transponder chip in the key, exchange rolling codes with the immobiliser module, and authorise the ECM to a...

Join TaT to view the complete code information and diagnostic details.

Quick Facts