GM Service Manual Online
For 1990-2009 cars only

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