LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 1997 >> Catera >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Module >> BCM DTC Definition >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

BCM DTC Definition: Notes

BCM DTC DEFINITION (1)

Code No. Circuit Affected
U1128 Loss Of Serial Communications - IRC
U1176 Loss Of Serial Communications - RKE
U1255 Generic Loss Of Serial Communications For Class 2 Devices
U1300 Class 2 Short To Ground
U1301 Class 2 Short To Battery
B1552 Loss Of BCM Keep Alive Memory (KAM)
B1556 BCM EEPROM Write Error
B1558 BCM EEPROM Checksum Error
B1970 Exterior Light Power Fault
B1971 Inadvertent Power Fault
B1972 Low Power Control Fault
B1973 High Power Control Fault
B1982 Battery Voltage Too High
B1983 Battery Voltage Too Low
B2470 Daytime Running Lights Fault
B2471 Interior Lights Fault
B2472 Low Beam Fault
B2473 High Beam Fault
B2476 Parking Lights Fault
(1) Use scan tool to retrieve codes.