B1000

Read the instructions below then start the fault diagnostic procedure.

Symptom: The LED on the control button unit shows a red light. The OnStar Call Center (OCC) cannot locate the car.

B1000

Fault symptoms

•	The LED on the control button unit shows a red light.

•	The OnStar Call Center (OCC) cannot locate the car.

On-Board Diagnosis

Type of diagnosis:

-	Continuous

Enabling criteria:

-	Ignition ON.

Fault criteria:

-	Internal fault in control module (VCP/GPS).

Diagnostic help

The present fault code is erased directly the fault ceases. The historical fault codes are erased after 50 fault free driving cycles.