Code Definition

B0996 — Vehicle Identification Number Mismatch

System: Body  |  Type: Generic (OBD-II Standard)  |  Make: Holden

About B0996

B0996 is a generic (obd-ii standard) 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.

Because B0996 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

DTC B0996 is set by the radio/infotainment module on Holden (GM) vehicles equipped with the Theft Lock anti-theft feature. The radio stores the vehicle's VIN in internal memory and receives the current VIN via the serial data (Class 2/GMLAN) bus from the Body Control Module when the ignition is switched on. If the received VIN does not match the stored VIN, or no VIN message is received at all, the radio sets this code and activates the Theft Lock function, disabling audio output. This is commonly encountered after radio replacement, BCM replacement, or when a used radio from another vehicle i...

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