Fuel System - MIL ON/DTC P0455 Set
20 Fuel cap seal out of position or missing
20 10 02
2023375/1
May 17, 2010
Affected Vehicles
Condition
^ MIL on.
^ DTC P0455 is stored in ECM memory.
^ Upon visual inspection, the seal on the fuel cap is found to be out of position or missing.
Technical Background
349
When removing the fuel cap, the seal may stick to the filler neck. The seal may be pulled out of position or removed completely from the cap.
DTC P0455 is set because the cap does not seal properly.
Production Solution
A production solution is in development.
Service
1. Ensure the seal has not been damaged or pinched by being out of position. Replace the seal if damaged.
2. Apply a thin coat of Krytox lubricant to the seal and its mating surface on the filler neck.
350
Warranty
Required Parts and Tools
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service
manuals for the latest information.
