Compatible with OBD I 1982-1993 domestic GM and Saturn (PDF) vehicles. Retrieves engine trouble codes from the on-board diagnostics (OBD) computer. Retrieves ABS trouble codes from the on-board diagnostics (OBD) computer. Trouble codes flash on dashboard "Check Engine" light. 1994 & 1995 GM vehicles were equipped with several different engine computer systems. Check here to determine the diagnostic tool right for your GM vehicle.
