GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Eldorado 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Module(s)

B1000

DTC B1000

RCDLR

B1007

DTC B1007

Radio, RCDLR

B1009

DTC B1009

Radio

B1552

DTC B1552

BCM, IPC, Radio

B1556

DTC B1556

IPC, BCM

B1558

DTC B1558

BCM

B1656

DTC B1656

MMM, MSM, Radio

B1658

DTC B1658

MMM, MSM, Radio

B1972

DTC B1972

BCM

B1973

DTC B1973

BCM

B2550

DTC B2550

BCM