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Home >> Cadillac >> 2003 >> CTS Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1551: Incorrect At-Rest Throttle Position >> Diagnostic Procedure

Diagnostic Procedure

Fig 1: DTC P1551: Incorrect At Rest Throttle Position (Steps 1-10)
G00249892Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P1551: Incorrect At Rest Throttle Position (Steps 11-15)
G00249893Courtesy of GENERAL MOTORS CORP.