Diagnostic Aids

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

The following are possible causes of the malfunction:

A short between the seat belt pretensioner-LF high and low circuits.
An open or a high resistance in the seat belt pretensioner-LF high or low circuits.
A short to ground or a short to voltage in the seat belt pretensioner-LF high or low circuits.
The seat belt pretensioner-LF connector
The SDM connector
A malfunctioning seat belt pretensioner
A malfunctioning SDM

Thoroughly inspect the wiring and the connectors. An incomplete inspection of the wiring and the connectors may result in a misdiagnosis, causing a part replacement with the reappearance of the malfunction. If an intermittent malfunction exists, refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS .