Code Enable Criteria
WARNING: This page is about a different car, the 2001 GMC Savana, 2001 Chevrolet RV Cutaway, 2001 Chevrolet Cutaway, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- Engine run time is more than 0.5 second.
- Engine speed is more than 300 RPM.
- Ignition 1 signal is more than 8 volts.
DTC sets when MAF sensor frequency signal is less than 800 Hz.