GM Service Manual Online
For 1990-2009 cars only

DTC

Description

Type

Illuminate MIL

B0532

DTC B0532 Fuel Sensor Shorted To Ground or Open

BCM

No

B0533

DTC B0533 Fuel Sensor Feedback Shorted High

BCM

No

B1552

DTC B1552 Loss of BCM Keep Alive Memory

BCM

No

B1556

DTC B1556 BCM EPROM Write Error

BCM

No

B1558

DTC B1558 BCM EPROM Checksum Error

BCM

No

B1970

DTC B1970 Exterior Lamp Power

BCM

No

B1971

DTC B1971 Inadvertent Power

BCM

No

B1972

DTC B1972 Low Power Driver Fault

BCM

No

B1973

DTC B1973 High Power Control Fault

BCM

No

B1981

DTC B1981 Battery Voltage Low

BCM

No

B1982

DTC B1982 Device Power 1 Circuit High

BCM

No

B1983

DTC B1983 Device Power 1 Circuit Low

BCM

No

B2470

DTC B2470 Daytime Running Lamps Fault

BCM

No

B2471

DTC B2471 Interior Lamp Fault

BCM

No

B2472

DTC B2472 Low Beam Fault

BCM

No

B2473

DTC B2473 High Beam Fault

BCM

No

B2476

DTC B2476 Parklamp Fault

BCM

No

B2477

DTC B2477 Reverse Lamps Shorted to Ground

BCM

No

B2478

DTC B2478 Reverse Lamps Shorted to Battery

BCM

No

B2502

DTC B2502 Auto Trans Shift Lock Control Shorted to Ground

BCM

No

B2503

DTC B2503 BTSI Shorted to Battery

BCM

No

B2503

DTC B2550 Storage Mode Entered

BCM

No

B2719

DTC B2719 Rear Compartment Tamper Switch Fault

BCM

No

U1016

DTC U1016 Loss of Communications with PCM in Wiring Systems

Class 2

No

U1088

DTC U1088 Loss of Communications with SDM in Wiring Systems

Class 2

No

U1096

DTC U1096 Loss of Communications with IPC in Wiring Systems

Class 2

No

U1128

DTC U1128 Loss of Communications with IRC in Wiring Systems

Class 2

No

U1153

DTC U1153 Loss of Communications with HVAC in Wiring Systems

Class 2

No

U1255

DTC U1255 Serial Data Line Malfunction in Wiring Systems

Class 2

No

U1169

DTC U1169 Loss of Communications with MMM in Wiring Systems

Class 2

No

U1300

DTC U1300 Class 2 Short to Ground in Wiring Systems

Class 2

No

U1301

DTC U1301 Class 2 Short to Battery in Wiring Systems

Class 2

No