Circuit/System Verification (Two Mode Hybrid)
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.
- 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, check the SDM for DTC B1001 or a vehicle rollover sensor (ROS) mismatch fault.
- Verify DTC B0081 4B is not set as current.
- If DTC B0081 4B is current, replace the PPS.
- 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, verify the SDM is properly connected and communicating with the PPS. Clear the DTCs. No other repairs are necessary.
IMPORTANT: