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Home >> Subaru >> 2014 >> BRZ Limited, Standard Trans >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System >> Power Control System >> DTC B1011 BATT Power Supply (Control) Malfunction >> Circuit description

Circuit description

B1011 is output when a BMPX circuit malfunction is detected.

NOTE: If B1012 is output at the same time, there are some cases where all functions of the main body ECM (Network gateway computer) do not operate.
Diagnostic codes Detecting conditions Faulty part
B1011 The BMPX voltage is 8.3 V or less, or 16.7 V or more (BMPX circuit malfunction)
  • Main body ECM (Network gateway computer)
  • Instrument panel junction block assembly
  • Wiring harness or connector
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