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Voltage Auto Service specializes in advanced hybrid, plug-in hybrid and EV diagnostics. Schedule an appointment to have the fault properly tested before replacing parts.

2010 Mercury Milan Hybrid – Power Loss and No Start With P0A0A

  • Aug 15
  • 1 min read

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.

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