Oldsmobile specific DTC OBD2 code: P1643 Engine Speed Output Circuit
Oldsmobile specific DTC OBD2 code: P1662 Cruise Control Inhibit Control Circuit
Oldsmobile specific DTC OBD2 code: P1681 Driver 5 Line 1
Oldsmobile specific DTC OBD2 code: P1644 TP Output Circuit
Oldsmobile specific DTC OBD2 code: P1663 Oil Life Lamp Control Circuit
Oldsmobile specific DTC OBD2 code: P1682 Driver 5 Line 2
Oldsmobile specific DTC OBD2 code: P1645 EVAP Solenoid Output Circuit
Oldsmobile specific DTC OBD2 code: P1664 1-4 Upshift Lamp Control Circuit
Oldsmobile specific DTC OBD2 code: P1683 Driver 5 Line 3
Oldsmobile specific DTC OBD2 code: P1630 Theft Deterrent Learn Mode Active