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Zero-level error codes

Zero-level error codes (codes 000 to 099) are returned in the TU4.0 or TU4.1 fixed format response (FFR) due to a failure of software, hardware, or telecommunication lines.

The following error code table is derived from full TransUnion User Guides. The latest User Guides and Manuals are available in this site’s Document Repository.

Code Description Common Reasons for Error Trouble shooting Tips
001 The transaction was abnormally terminated due to a system error. May indicate:
  • System problem on TransUnion side.
  • Problem with consumer file being accessed.
  • Problem with input data.
  • Retry transaction.
  • If the situation persists, contact us.
006 An internal software error has occurred.
  • System problem on TransUnion side.
  • Problem with accessing consumer file being requested.
  • Retry transaction.
  • If the situation persists, contact us.
015 The TransUnion Online Credit Reporting system is not available at this time. TransUnion may be experiencing a system outage.
  • Retry transaction.
  • If the situation persists, contact us.
  • 033
Too many total or duplicate inquiries exist on file. Commonly occurs when the same subject file is requested repeatedly by the same subscriber.
  • If you are repeatedly trying to access the same consumer file, try to access the file the next day.
  • Check with your TransUnion sales representative to verify proper subscriber code configuration.
  • Check with your system provider for possible software/ system issues.
090 The service requested is not available at this time. May indicate a service outage.
  • Retry transaction.
  • If the situation persists, contact us.
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