OnStar / B101D 31

Read the instructions below then start the fault diagnostic procedure.

Symptom: The indicator lamp on the control panel glows red. OnStar Call Center (OCC) cannot localise the car.

B101D 31

Fault symptom

The indicator lamp on the control panel glows red.

OnStar Call Center (OCC) cannot localise the car.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Turn Ignition On

Fault criteria:

Checksum Error

Diagnostic help

Diagnosis regards:

To locate electrical faults in the control module internal electronics.

See "Before changing a control module" and "After fitting a control module" under Fault diagnosis, general.

Functions in the diagnostic tool related to the fault:

See menu "All - Add/Remove"