LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 1989 >> DeVille 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> DFI BCM Tests W/Codes >> Diagnosis & Testing >> Code F32 - BCM-To-ECM Data Problem >> Notes On Intermittents
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Notes On Intermittents

The following conditions will result in intermittent BCM Code F32 and/or ECM Code E47: momentary open or short in circuit No. 526 resulting in both Code F32" and E47". Momentary open or short in circuit No. 491 resulting in Code E47 only.

Momentary loss of ignition (circuit No. 50), battery (circuit No. 840), or ground (circuit No. 751A) to BCM resulting in Code E47 and intermittent display panel operation. Momentary loss of ignition (circuit No. 439) to ECM resulting in Code F32 and intermittent engine operation.

Momentary loss of battery (circuit No. 480) or ground (circuit No. 450) to ECM resulting in Codes F32, E52, and intermittent engine operation. Momentary BCM PROM problem resulting in Codes E47, F51, and intermittent display of "-- 151" on ECCP.

Fig 1: BCM Code F32 Flow Chart - BCM-To-ECM Data Problem
G111699