Circuit/System Verification

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. 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.

The PPS module
The SDM module
The PPS module harness connector
The 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 39 is not set as current.
- If DTC B0081 39 is set as current, replace the PPS.
Verfiy 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.