For 1990-2009 cars only
Diesel Particulate Filter (DPF) Service Regeneration Notice for GMC Truck Sierra - 4WD 2008
Notice: After performing the system repair, perform the following:
• A code clear with a scan tool, regardless of whether or not a DTC is set
Perform the above in order to remove soot from the DPF and avoid possible DPF failure.
• A Diesel Particulate Filter (DPF) Service Regeneration with a scan tool
