Circuit/System Verification

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Verify that DTCs P003A, P0047, P0048, P0101, P0201-P0208, P02A1, P02A5, P02A9, P02AD, P02B1, P02B5, P02B9, P02E0, P02E7-P02E9, P029D, P0234, P0299, P0300-P0308, P0401, P0402, P046C, P0545, P0546, P0698, P0699, P2032, P2033, P2453, or P2563 are not set.
- If any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Verify the following scan tool parameters:
- Engine Run Time Since Last DPF Regeneration parameter-The value should be less than 22 hours.
- Fuel Used Since Last DPF Regeneration parameter-The value should be less than 272 liters (71 gallons).
- Distance Since Last DPF Regeneration parameter-The value should be less than 1,030 kilometers (640 miles) at sea level, or less than 772 kilometers (480 miles) when equal to or above 10,000 feet altitude.
- If any of the parameters are greater than the specified range, perform a DPF Service Regeneration. Refer to Exhaust Particulate Filter Cleaning (DPF Service Regeneration) or Exhaust Particulate Filter Cleaning (DPF Regeneration Enable) .
Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.