Code P0453 Fix Help Needed

[JFP in PA]

Originally Posted by shacky

I've posted before but didn't get much help. Has anyone else dealt with P0453 Tank Pressure Sensor - Short to B+ code?

My car is in storage for winter but I'd like to plan on fixing in Spring. Should I just order a new sensor like this one?

https://www.pelicanparts.com/cgi-bin/ksearch/pel_search_2016.cgi?command=DWsearch&description=tank+pressure+se

I saw somewhere that gas cap is typical misdiagnosis. And I've seen references to leaks in canister or elsewhere.

Is this code for low pressure or high?

Help!

P0453 is the code for the pressure sensor being above the upper limit, usually because of a short on the B+ wire. The repair tree is to check the wiring running from the pressure sensor at the tank to the DME, repairing any faults.