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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> Passenger Presence System Rezeroing (SS) >> Passenger Presence System (PPS) Rezeroing Procedure

Passenger Presence System (PPS) Rezeroing Procedure

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before rezeroing the PPS, the front passenger seat must be completely empty of all items and no PPS codes, DTCs 23, 24, 64, 65 are present. The presence of any items on the front passenger seat will affect the calibration and operation of the PPS.
NOTE: When rezeroing the PPS, the instrument panel cluster (IPC) and dash lights will begin dimming ON and FF. This is normal operation during the rezeroing procedure and does not indicate additional system faults.
  1. Verify that DTCs 23, 24, 64, 65 are not set in the PPS.
  2. Empty the front outboard passenger seat.
  3. Verify that all SIR and PPS components, connectors, and connector position assurances (CPAs) are properly connected and mounted.
  4. Install a scan tool.
  5. Turn ON the ignition, with the engine OFF.
  6. With a scan tool, request the PPS rezeroing procedure.
  7. Initiate the PPS rezeroing procedure. The PPS will illuminate both PASSENGER AIR BAG ON and OFF indicators until the rezeroing procedure has been completed.
    • When the rezeroing procedure has been successfully completed, the PPS will display the current system status by using either the PASSENGER AIR BAG ON or OFF indicator.
    • If the rezeroing procedure was unsuccessful, both PASSENGER AIR BAG ON and OFF indicators will alternate from no illumination to full illumination in 1 second intervals for 5 seconds. The PPS will treat an unsuccessful rezero attempt as a system fault.
  8. If the rezeroing procedure was unsuccessful, repeat this procedure. Due to the communication status between the SDM and the PPS module, this procedure may have to be repeated until a successful rezero attempt has been achieved.
  9. After the PPS has been successfully rezeroed, verify no current PPS DTCs are present, refer to Passenger Presence System Flash Code Procedures (SS) .
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