GM Service Manual Online
For 1990-2009 cars only

DTC

Description

Type

Illuminate MIL

B0802

DTC B0802 BTSI Short To Ground

SBM

NO

B0803

DTC B0803 BTSI Short To B+

SBM

NO

B0807

DTC B0807 Inadvertent Power Short to Ground

SBM

NO

B1324

DTC B1324 A/C Refrigerant Overpressure

SBM

NO

B1656

DTC B1656 EEPROM Write Error

SBM

NO

B1658

DTC B1658 EEPROM Checksum Error

SBM

NO

B1982

DTC B1982 Source/Battery Voltage High

SBM

NO

B1983

DTC B1983 Device Power 1 Circuit Low

SBM

NO

B2348

DTC B2348 Heated Seat Disable (Shorted to Ground)

SBM

NO

B2452

DTC B2452 Theater Dimming 1 Open or Shorted to GND

SBM

NO

B2453

DTC B2453 Theater Dimming 1 Shorted to B+

SBM

NO

B2457

DTC B2457 Theater Dimming 2 Open or Shorted to GND

SBM

NO

B2458

DTC B2458 Theater Dimming 2 Shorted to B+

SBM

NO

U1016

DTC U1016 Loss of Communications with PCM in Wiring Systems.

SBM

NO

U1096

DTC U1096 Loss of Communications with IPC in Wiring Systems.

SBM

NO

U1152

DTC U1152 Loss of Communications with HCM in Wiring Systems.

SBM

NO

U1160

DTC U1160 Loss of Communications with DDM

in Wiring Systems.

SBM

NO

U1255

DTC U1255 Class 2 Communication Malfunction in Wiring Systems.

SBM

NO

U1300

DTC U1300 Class 2 Short to Ground in Wiring Systems.

SBM

NO

U1301

DTC U1301 Class 2 Short to Battery in Wiring Systems.

SBM

NO