What is CID 1047 & How to Solve It?

Discover what CID 1047 means, its causes, and how to fix it. Follow our simple guide to resolve this code and restore your equipment’s proper performance.

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Table of Content

What is CID 1047:

CID 1047 indicates an issue with the oil pressure sensor circuit. Low or false readings can cause warning lights and potential engine lubrication risks.

Why This Happens:

  • Faulty oil pressure sensor.
  • Shorted or open wiring in the sensor circuit.
  • Contaminated engine oil.
  • Faulty oil pump or clogged filter.
  • ECM misinterpretation of data.

How to Fix It:

  1. Verify oil level and condition.
  2. Inspect the oil pressure sensor and wiring.
  3. Replace the sensor if resistance readings are incorrect.
  4. Check the oil pump’s output pressure.
  5. Replace filters and oil if necessary.

How to Avoid It Before It Happens:

  • Perform timely oil changes.
  • Use recommended oil grades.
  • Keep sensors clean and free from contamination.
  • Clue’s fleet management software assists in tracking oil health and pressure levels for early warnings.

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