Operation CHARM: Car repair manuals for everyone.
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 >> Another TWC Test Desired

Another TWC Test Desired

Range - Yes/No
The display shows Yes or No. The display indicates if another catalyst test is needed for a catalyst test decision. The PCM may need another test to determine if the catalyst is operating properly.
pro multis · About Operation CHARM