DTC C1220: Testing
WARNING: This page is about a different car, the 2004 Ford RV Cutaway, 2004 Ford Econoline, 2004 Ford E450 Super Duty, and 2004 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
REFER to INSTRUMENT CLUSTER- CONVENTIONAL or INSTRUMENT CLUSTER- NATURAL GAS to continue diagnosis of the lamp.