Fault codes › P1477

P1477

Leakage Diagnostic Pump Reed Switch Did Not Open

BMW Auxiliary Emissions Control High severity Hard repair
Free on OBD DashX

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iWhat P1477 means

  • Leakage Diagnostic Pump Reed Switch Did Not Open
  • Leakage detected in diagnostic pump

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Free on OBD DashX

P1477 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

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