Power Solutions, Inc.

DTC-637

UnclassifiedGeneral

What This Code Means

Stored DTCs; Abnormal engine performance and driveability

Suggested Actions

  1. 1Remove all test equipment except the DST
  2. 2Connect any disconnected components, fuses, etc.
  3. 3Using the DST, clear DTC information from the ECM
  4. 4Turn the ignition OFF and wait 30 seconds
  5. 5Start the engine and operate the vehicle to full operating temperature
  6. 6Observe the MIL
  7. 7Observe engine performance and driveability
  8. 8After operating the engine within the test parameters of DTC-637, check for any stored codes
  9. 9If the engine does not operate normally or has stored codes, go to OBD System Check

Related Power Solutions, Inc. Fault Codes

DTC-638DTC-636DTC-634DTC-632DTC-631DTC-243DTC-241DTC-211DTC-142DTC-135DTC-132DTC-131
Browse all Power Solutions, Inc. fault codes

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