Accessing Diagnostic Trouble Codes and Addresses

1. Select Diagnostic Mode:

  • Turn key switch to "RUN" position.
  • Press diagnostic button.
  • dIA will be displayed.
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2. Select desired control unit:

  • Press up or down arrow button to obtain desired address (example A00 appears on display).
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3. Press enter button.

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4. Determine if codes are available:

  • Press up or down arrow button once.
  • If diagnostic trouble codes are available, A00 and codE will displayed.
  • If no diagnostic trouble codes are available, A00 and nonE will be displayed.
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5. Read and record diagnostic trouble codes:

  • Press enter button.
  • Press up or down arrow button to scroll through diagnostic codes.
  • Record each control name (A00, E00, E01, etc. A00 shown).
  • Record each suspected parameter number (SPN) (100002,639, 200000, etc, - 1493 shown).
  • Record each failure mode identifier (FMI) (.04, .13, .04, etc. - .11 shown).
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NOTE: Priority 1 codes cannot be cleared until the problem is solved.

6. After all codes have been displayed, there is an option to clear these codes:

  • Scroll to end of code list until CLr? is displayed.
  • Press enter button to clear codes. A00 and donE will be displayed.
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7. Return to operating mode:

  • Press back arrow button three times to return to normal operation.
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