Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT:

A DTC B0081 set in history may not clear until the PPS module enters the sleep mode.
When removing connectors inspect for damage, corrosion or poor connection. Damage or corrosion in the following requires repair or replacement of the affected component/connector.

PPS module
SDM module
PPS module harness connector
SDM wiring harness connector

Ignition ON, verify no PPS DTCs are set in the PPS or SDM.
- If any PPS DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Verify DTC B1000, B1001, or U0170 is not set as current.
- If any of the DTCs are set as current, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Verify DTC B0081 3A is not set as current.
- If DTC B0081 3A is set as current, replace the PPS with the correct part number.
Verify DTC B0081 5A is not set as current.
- If DTC B0081 5A is current, replace the PPS.
Verify DTC B0081 4B is not set as current.
- If DTC B0081 4B is current, refer to Passenger Presence System Rezeroing .
Verify DTC B0081 39 is not set as current.
- If DTC B0081 39 is set as current, replace the PPS.
Verify DTC B0081 71 or B0081 0F is not set.
- If DTC B0081 71 or B0081 0F is set, clear the DTCs. No other repairs are necessary.

Clearing DTC B0081

To enter the sleep mode, remove the scan tool, turn the ignition OFF, and open and close the driver door.
Ignition OFF and all doors closed, wait 30 seconds.
With a scan tool, clear DTC B0081. The DTC should clear.