2018 dodge caravan, under 56k, handicap conversion by ams vans. No previous indication of potential failure. One morning no start, no engine turn over, lights worked, didn't work, auto door work, didn't work. all electrics erratic and finally alarm on and could not reset or turn off. battery tested good. Tried two fobs same result. Dealer Wolfchase Chrysler/Dodge has had for 5 weeks. 3 new TIPMs tried - all fail to correct problem. Chrysler customer cared contacted about 2-3 weeks ago. Try another new TIPM, no fix. Various try this/try that between dealer and corporate from beginning. Chrysler to send tech down but they're in meetings for next two weeks.