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1989 Cadillac Fleetwood 4.5L ECC Panel, FDC Panel, BCM
Posted to GM HVAC on 2/14/2001 1 Reply

Checked all power supplies and grounds. Checked all connections at BCM, ECC & FDC. Followed flow chart which led to BCM replacement. Wiggled PROM in new BCM and panel temp worked and flickered. Replaced PROM. Still had same problem with system, wiggled PROM..w...

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  Related Documents & Media  1989 Cadillac Fleetwood

 
Message Closed w/FIX

car Vehicle Data

1989 Cadillac Fleetwood

VIN 1G6CB5157K
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedEcc Panel, Fdc Panel, BCM
ConditionsInnop. (Ecc & Fdc Panels Read (C)
Misc.Front Wheel Drive
Message Closed w/FIX

car Vehicle Data

1989 Cadillac Fleetwood

VIN 1G6CB5157K
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedEcc Panel, Fdc Panel, BCM
ConditionsInnop. (Ecc & Fdc Panels Read (C)
Misc.Front Wheel Drive