GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Body and Accessories 🢒 Data Link Communications 🢒 Diagnostic Trouble Code (DTC) List

DTC

Description

21

No Speed Signal

22

Solenoid Circuit Short to Ground/Open

23

Power Steering Control Module Malfunction