LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2001 >> Catera >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Body Control Modules DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Body Control Modules DTCS

BODY CONTROL MODULES DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC 055 AIR BAG SENSING & DIAGNOSTIC MODULE INTERNAL FAULT
DTC 055 VEHICLE THEFT DETERRENT CONTROL MODULE INTERNAL FAULT DETECTED
DTC B1552 LOSS OF BODY CONTROL MODULE KEEP ALIVE MEMORY
DTC B1556 BCM EEPROM WRITE ERROR
DTC B1558 BCM EEPROM CHECKSUM ERROR
DTC B1760 CD CHANGER NOT RESPONDING
DTC B1780 THEFT LOCK ENABLED
DTC B1970 EXTERIOR LIGHT POWER FAULT
DTC B1971 INADVERTENT POWER FAULT
DTC B1973 HIGH POWER CONTROL FAULT
DTC B1982 BATTERY VOLTAGE TOO HIGH - BCM & IRC
DTC B1983 BATTERY VOLTAGE TOO LOW - BCM & IRC
DTC B2462 GPS ANTENNA SIGNAL ERROR
DTC B2470 DAYTIME RUNNING LIGHTS FAULT
DTC B2471 INTERIOR LIGHTS FAULT
DTC B2472 LOW BEAM FAULT
DTC B2473 HIGH BEAM FAULT
DTC B2476 PARKING LIGHTS FAULT - BCM
DTC B2476 ONSTAR® KEYPAD BUTTON ASSEMBLY FAULT
DTC B2556 EEPROM ERROR
DTC B2560 REMOTE KEYLESS ENTRY MESSAGE VALIDATION ERROR
DTC U1000 & DTC U1255 CLASS 2 COMMUNICATION FAULT
DTC U1001 To U1254 LOSS OF XXX COMMUNICATIONS
DTC U1300 CLASS 2 SHORT TO GROUND
DTC U1301 CLASS 2 SHORT TO BATTERY VOLTAGE
DTC U2100 CAN-BUS COMMUNICATION FAULT
DTC U2103 FEWER CONTROLLERS ON BUS THAN PROGRAMMED
DTC U2104 CAN BUS RESET COUNTER OVERRUN
DTC U2105, U2106 & U2108 CAN COMMUNICATION LOST