Power Solutions International, Inc.

DTC 327

UnclassifiedGeneral

What This Code Means

DTC 327 resets

Possible Causes

  • •Faulty harness (open circuit)
  • •Faulty harness (ground short)
  • •Faulty sensor
  • •Faulty ECM
  • •Intermittent Problem
  • •Knock wiring in harness is not properly twisted

Suggested Actions

  1. 1Perform the On-Board (OBD) System Check
  2. 2Operate engine at the minimum RPM and MAP defined in diagnostic calibration for the knock sensor open fault
  3. 3Disconnect knock sensor from wire harness
  4. 4Disconnect wire harness header from ECM and check resistance between Knock 1 (+) output at ECM header and knock sensor connector (resistance should be <5.0 ohms)
  5. 5Check resistance between Knock 1 (+) and ground and 5Vrtn1 (Analog Return)
  6. 6Inspect knock wiring in harness to ensure it is properly twisted
  7. 7Replace knock sensor and retest

Related Power Solutions International, Inc. Fault Codes

DTC 336DTC 337DTC 299DTC 342DTC 238DTC 601DTC 234DTC 604DTC 148DTC 687DTC 129DTC 1112
Browse all Power Solutions International, Inc. fault codes

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