old_farmer Posted January 24, 2022 Share Posted January 24, 2022 1 fault codes found: 80401D Tank switch error The fault is currently present. Hello all. I'm wrapping up a 12K service on my 2017 RT and trying to clear out the error codes. This one isn't going away. What do you suppose is causing this? Thanks. Dave Link to comment
Rainman48 Posted January 24, 2022 Share Posted January 24, 2022 I've seen others post about this. Clean and lightly lube the filler cap catch. Your cap is probably not locking all the way down. Link to comment
old_farmer Posted January 24, 2022 Author Share Posted January 24, 2022 Cleaned with WD-40 and pushed it firmly closed. That fixed it. Thanks! 1 Link to comment
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