Conditions for Setting the DTC
WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- The PCM detects that the difference between the actual MAF and the speed density calculated air flow is greater than expected.
- All of the above conditions met for less than 1 second.