Power Solutions International

DTC 520

UnclassifiedLubrication

What This Code Means

Oil pressure sensors (Master and slave side) are reading zero and are not showing pressure; Engine oil pressure below 8 psi; DTC 520 becomes active

Possible Causes

  • •Faulty Oiling System
  • •Faulty wiring between ECM and Oil pressure sensor
  • •Faulty oil pressure sender
  • •Faulty wiring between terminal C and Terminal 25
  • •Faulty ECM
  • •Intermittent problem

Suggested Actions

  1. 1Repair faulty Oiling System
  2. 2Repair faulty wiring between ECM and Oil pressure sensor
  3. 3Replace faulty oil pressure sender
  4. 4Repair faulty wiring between terminal C and Terminal 25
  5. 5Replace ECM

Related Power Solutions International Fault Codes

DTC 524DTC 2229DTC 341OTC 52 4DTC 102 E15121026522521238129DTC 522
Browse all Power Solutions International fault codes

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