IF A CUSTOMER HAS A VEHICLE COMMUNICATION RELATED ERROR ON THEIR APP, PERFORM THE FOLLOWING: DISCONNECT THE BATTERY OR UNPLUG THE MODULE FOR AT LEAST 10 SECONDS.RECONNECT THE BATTERY, WAIT 60 SECONDS AND THEN HAVE THE CUSTOMER TRY THE APP AGAIN.IF THE VEHICLE STARTS, ORDER MODULE 0000-8F-Z80A.NOTE: THERE IS A LIMITED SUPPLY OF THE MODULE AT THIS TIME, THEREFORE ONLY USE THIS PART FOR THIS SPECIFIC CONDITION.DUE TO THE LIMITED SUPPLY, MAKE SURE YOU WERE SHIPPED THE A LEVEL PART AND NOT THE ORIGINAL PART BEFORE INSTALLING THE PART.INSTALL THE MODULE AND PROGRAM IT PER MMS PROGRAMMING INSTRUCTIONS.INSTRUCT THE CUSTOMER TO UPDATE THEIR ACCOUNT WITH THE NEW MODULE INFORMATION, OTHERWISE THE MMS WILL NOT WORK FROM THE APP.