Warning lights on. Radio & ac/heat won't come on

Asked by amanda Nov 18, 2022 at 02:09 AM about the 2011 Ford Fusion SE

Question type: Maintenance & Repair

Had my parking brake, tire pressure, and door ajar
warning lights all come on at once. My radio and
air/heat won't come on, and my trunk button on my
dash isn't working. We just replaced the battery and
had a shop say that the dealership may not have
synced my battery and the computer in my car,
dealership said there is no such thing. What can be
causing this? Car runs fine after the battery change
other than those issues listed above. Our dealership
is known to have a bad rap for telling people they
need expensive repairs just to get money  as opposed
to the shop that I use is highly reviewed and has
always been 100% honest with their customers. I'm
just hoping for some insight as to what is up with my
car because driving around with no heat in 23 degree
weather is not fun

4 Answers

310,265

This does sounds like a BCM programming error but first check all the fuses, if they check good then it needs to have the system re-flashed. What happened is they didn’t use the memory saver tool before disconnecting main power, the tool keeps the KAM (keep alive memory) powered up during battery replacement. Even WalMart knows this,

157,625

On a newer vehicle you have to plug in a memory saver to keep the computers powered up during the battery replacement. You now have to go to the Dealer to have the computers flashed (reprogrammed). Hope that helps! Jim

1,880

Facepalm.......fords these days surprised anyone buys fords anymore. A Taurus is more dependable

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