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2010 Mercury Milan Hybrid – Power Loss and No Start With P0A0A
CUSTOMER CONCERN The vehicle loses power, displays a pull-over warning, and will not restart. DTC P0A0A is stored in the hybrid control system. CAUSE Testing confirmed a failed traction-battery harness in the high-voltage interlock circuit. CORRECTION Remove and replace the failed traction-battery harness.
2010 Mercury Milan Hybrid – A/C Inoperative With B1B71:15
CUSTOMER CONCERN The air conditioning does not operate, and the HVAC module stores DTC B1B71:15. CAUSE The HVAC module detected the evaporator-temperature-sensor signal above 4.5 volts, and testing confirmed a failed A/C evaporator core discharge temperature sensor. CORRECTION Remove and replace the failed A/C evaporator core discharge temperature sensor.
2010 Mercury Milan Hybrid – No Start With U0111 and U0294
CUSTOMER CONCERN The engine will not start after front-bumper-cover installation, and DTCs U0111 and U0294 return each time the key is switched on. CAUSE Network inspection confirmed a fault at the powertrain control module connector in the front-bumper-area high-speed CAN circuit. CORRECTION Repair the failed powertrain control module connector and terminal connection.
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