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Home >> Cadillac >> 1988 >> DeVille 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> DFI BCM Tests W/Codes >> Trouble Shooting >> BCM Trouble Code-To-Component/Circuit Identification

BCM Trouble Code-To-Component/Circuit Identification

DEVILLE & FLEETWOOD BCM TROUBLE CODE IDENTIFICATION

Code Circuit Affected
F10 Outside temperature sensor circuit
F11 (1) A/C high side temperature sensor circuit
F12 (2) A/C low side temperature sensor circuit
F13 In-car temperature sensor circuit
F30 CCP-to-BCM data circuit
F31 FDC-to-BCM data circuit
F32 (3) ECM-to-BCM data circuit
F40 Air mix door problem
F46 Low refrigerant warning
F47 (4) Low refrigerant condition
F48 (4) Low refrigerant pressure
F49 High temperature clutch disengage
F51 BCM prom error
(1) Turns on cooling fans when A/C clutch is engaged
(2) Disengages A/C clutch.
(3) Turns cooling fans on.
(4) Switches from "Auto" to "Econ".