Fault codes › P1443

P1443

Leakage Diagnostic Pump Control Circuit Signal High

BMW Auxiliary Emissions Control Medium severity Moderate repair
Free on OBD DashX

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iWhat P1443 means

  • Leakage Diagnostic Pump Control Circuit Signal High
  • Leakage detected in diagnostic pump

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Free on OBD DashX

P1443 on OBD DashX

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

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