For 1990-2009 cars

DTC | Description
--- | ---
B0037 | UART B SDL Fault (Oldsmobile). Refer to Data Link Communications System Check
B0038 | UART A SDL Fault. Refer to Data Link Communications System Check
B0052 | IPC KAM Fault. Refer to DTC B0052 IPC KAM Fault
B0070 | Invalid Odometer. Refer to DTC B0070 Invalid Odometer
B0071 | Invalid Vehicle Usage Register. Refer to DTC B0071 Invalid Option Content Reg 1
B0073 | Invalid Date Time. Refer to DTC B0073 Invalid Date/Time
B0074 | Real Time Clock Fault. Refer to DTC B0074 Real Time Clock Fault
B0075 | Invalid Option Content Reg 2. Refer to DTC B0075 Invalid Option Content Reg 2
B0080 | Invalid Oil Change Data. Refer to DTC B0080 Invalid Oil Change Data
B0081 | Invalid Trans Fluid Data. Refer to DTC B0081 Invalid Trans Fluid Data
B0091 | Oil Pressure Sensor Circuit. Refer to ENGINE OIL PRESSURE Message Inoperative
B0092 | Fuel Sender Fault. Refer to Fuel Gage Inaccurate or Inoperative
B0093 | Oil Level System Fault. Refer to Low Engine Oil Level Indicator Inoperative