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Heater climat controll and dash lights just stopped working

Tiny
ROSSTUKEN
  • MEMBER
  • 1990 CADILLAC FLEETWOOD
  • 200,000 MILES
Car was running heaterstopped working climatcontroll wont display control that shows fuel consumtion stopped working cant find any fuses blown
Thursday, December 15th, 2011 AT 12:15 AM

2 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Usually indicates a communications malfunction between the body control module, fuel data center, and the climate control panel. Do you have a digital instrument cluster, and is it still displaying speed info?
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Thursday, December 15th, 2011 AT 3:00 AM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Its either one of the 2 heads or the bcm. Remove the l and r info panels, but leave them pluged in. Unplug the fuel center does the a/c panel lite?If no plug it back in and unplug the a/c panel does the fuel panel lite up?If still nothing you will have to replace the bcm.
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Thursday, December 15th, 2011 AT 3:55 AM

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