Power Solutions, Inc.

511

UnclassifiedGeneral

What This Code Means

COP Failure; DTC 511 resets with engine idling

Possible Causes

  • •Faulty ECM power circuit
  • •Faulty ECM ground circuit
  • •Faulty ECM

Suggested Actions

  1. 1Perform the On-Board (OBD) System Check
  2. 2Connect Diagnostic Scan Tool (DST) in System Data Mode, clear system fault code, and check if DTC 511 resets at engine idle
  3. 3Check all ECM power and ground circuits (refer to power and ground distribution in engine electrical section)
  4. 4Repair power and ground circuits as necessary (refer to Wiring Repairs in Engine Electrical)
  5. 5Replace ECM
  6. 6Clear DTC information from ECM, turn ignition OFF for 30 seconds, start engine, run to full operating temperature, and verify normal operation with no stored codes

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