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Home >> Pontiac >> 1999 >> Sunfire L4-144 2.4L DOHC VIN T SFI >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Engine Scan Tool Data Definitions >> TWC System Related DTC Is Set

TWC System Related DTC Is Set

Range - Yes/No
The display shows Yes or No. This display indicates if a DTC is set that will prevent the idle catalyst test (P0420) from running.

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