Circuit/System Verification
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- 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, with a scan tool retrieve DTCs from the PPS.
- Ensure DTC B0081 5A is not set as current.
- If DTC B0081 5A is current, replace the PPS.
- Ensure DTC B0081 4B is not set as current.
- If DTC B0081 4B is current, refer to Passenger Presence System Rezeroing .
- With a scan tool, clear the DTCs from the PPS. All PPS DTCs should clear.
- If any other PPS DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- With a scan tool, retrieve DTCs from the SDM.
- Ensure DTC B0081 3A is not set as current.
- If DTC B0081 3A is current, replace the PPS with the correct part number.
- Ensure DTC B0081 39 is not set as current.
- If DTC B0081 39 is current, replace the PPS.
- Ensure DTC B1000, B1001, or U0170 is not set as current.
- If DTC B1000, B1001, or U0170 is current, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Ensure DTC B0081 71 or B0081 0F is not set.
- If DTC B0081 71 or B0081 0F is set, Clear the SDM DTCs. No other repairs are necessary.
IMPORTANT:
Clearing DTC B0081
- To enter the sleep mode, remove the scan tool, turn the ignition OFF, open and close the driver door.
- With the ignition OFF and all doors closed, wait 30 seconds.
- With a scan tool, clear DTC B0081. The DTC should now be cleared.