Code Definition

B1001 — Option configuration error

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

About B1001

B1001 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.

B1001 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) on Holden vehicles stores configuration data that defines which optional equipment is fitted to the vehicle (immobiliser type, central locking variant, alarm, power windows, market region, etc.). DTC B1001 is set when the BCM or a networked module detects that its stored option configuration is missing, incomplete, or does not match the expected vehicle build. This typically happens after a BCM has been replaced without being programmed/configured to the VIN, after an incorrect used module has been fitted, or following a software update that has cleared or corrupt...

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