Join Now
International Automotive Technicians Network

P0638 Diagnostic Trouble Code Discussion for January 2007

Throttle Actuator Control Range/Performance


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0638
Help Request Posted
2003 Cadillac CTS 3.2L Stall VIN: 1G6DM57N73
P0638: Throttle Actuator Control Command Performance. This car has only stalled one time for me when I had the scanner on . It triggered a PO638 Throttle Actuator Control Command Performance. There was two other codes stored in memory. Cannot get car to stall any more to do any testing. I was hoping someone else ...
January 25, 2007
2003 Cadillac CTS 3.2L Stall VIN: 1G6DM57N73
P0638: Throttle Actuator Control Command Performance. This car has only stalled one time for me when I had the scanner on . It triggered a PO638 Throttle Actuator Control Command Performance. There was two other codes stored in memory. Cannot get car to stall any more to do any testing. I was hoping someone else ...
January 25, 2007