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Home >> Cadillac >> 1991 >> Allante 440T4/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Introduction >> Service Telltale & Message Operation >> Telltale Off
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Telltale Off

  1. KEY ON, ENGINE OFF

    Telltale will be off.

  2. ENGINE RUNNING

    NO Trouble Codes current. The telltale can be OFF and Trouble Codes stored as History. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  for those Codes that do NOT turn ON the telltale.
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