Power Solutions International

DTC1173

UnclassifiedGeneral

What This Code Means

DTC1173 does not re-set; DTC1173 re-sets; No power between EPR connector pin 7 and engine ground; 10A (F5) fuse is open; 10A (F5) fuse is not open; Power present at power relay terminal 3; No power at power relay terminal 3; Power present between EPR connector pin 7 and engine ground; No continuity between EPR connector pin 6 and engine ground

Possible Causes

  • •Intermittent problem
  • •Open 10A (F5) fuse
  • •Open circuit between power relay pin 3 and EPR pin 7
  • •Faulty power relay circuit
  • •Open ground circuit

Suggested Actions

  1. 1Go to Intermittent Problem section in the electrical section of this manual
  2. 2Replace the F5 fuse
  3. 3Repair the open circuit between power relay pin 3 and EPR pin 7
  4. 4Repair the power relay circuit as required
  5. 5Repair the open ground circuit as necessary. Refer to wiring repairs in engine electrical

Related Power Solutions International Fault Codes

SPN 520260:FMI 31DTC 2135DTC 1628DTC 1616DTC 1615DTC 1614DTC 1613DTC 1612DTC 1552DTC 1173DTC 1028DTC 1026
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