I am having the exact same issue with an easi truck here. I turn the key, it faults F5. If I turn the key off and on fast enough that the power doesn't completely dissipate from the display, it will self-test, and code out 6G. Then I need to cycle the key one more time, and it will self-test and work properly. However! It attempts to read out load weight, while there is no pressure transducer installed in this truck. 6G is a code for a thermister that is also NOT installed in the truck, but it thinks it is for some reason. I tried faking out the thermister code by shunting JPS6-2 and JPS6-6 with a 2Kohm resistor (70 degrees F) and it gave me a code for pressure transducer out of range. Any thoughts?
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