Fuel Cap Warning Message System

Fuel Cap Warning Message System Troubleshooting 

Do this procedure if the Tighten Fuel Cap warning message comes on frequently, or if the message does not go off after the fuel fill cap is tightened and the vehicle is driven several days.

1. Fuel fill cap installation check

   -1. Check the fuel fill cap (the cap must say TIGHTEN TO CLICK). It should turn 1/4 turn after it's tight, then it clicks.

   Is the correct fuel fill cap installed and properly tightened?

   YES 

   Go to the DTC P04EE troubleshooting .

   NO 

   Replace the fuel fill cap or tighten the cap, then recheck.