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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1340 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> Passenger Presence System Rezeroing >> Introduction
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Passenger Presence System Rezeroing: Introduction

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The Inflatable Restraints Passenger Presence System (PPS) is a calibrated system that requires rezeroing anytime the seat cushion trim attachments have been removed or the PPS has been replaced. The procedures below are designed to assist in the rezeroing of the PPS. Before you start, read these procedures carefully and completely. For further information regarding the PPS refer to SIR System Description and Operation .

IMPORTANT: The following procedures must be followed:
  1. Read this procedure carefully and completely.
  2. The PPS will not function properly if the PPS rezeroing procedure is not performed.
  3. Perform the Diagnostic System Check - Vehicle after successfully completing the rezeroing procedure to ensure the system is functioning properly.
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