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Reading Readiness Code

NOTE: If you are not able to read Readiness Code or Readiness Code needs to be generated. See appropriate SELF-DIAGNOSTICS article.

Readiness code is returned to -0 1 1 0 1 1 0 1- if DTC memory is erased, voltage supply to ECM is lost, or a new ECM is installed. To read readiness code, connect scan tool to DLC. See DATA LINK CONNECTOR  . Turn ignition on. Follow scan tool manufacturer's instructions and read Readiness Code. See Fig 1 . Readiness code should display -0 0 0 0 0 0 0 0-. If readiness code displays as specified, testing is complete. If readiness code does not display as specified, generate readiness code.

Fig 1: Identifying Readiness Code
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