Electical Trouble-shooting

85

Asked by Lorelai1985 Jun 14, 2013 at 02:00 AM about the 2009 Ford Focus SE

Question type: Maintenance & Repair

Last evening, we had a pretty significant lightning storm.
So the next day, I  use my car remote to unlock my car, didn't work. So I had to manually unlock my car with my key. I get in the car, and it started right up, but It wouldn't shift into gear. The dash lights was on, but the radio, power locks/windows, headlights, and all the electrical components would not work. So I called my local Ford dealership, and they said it was possible that my car was struck by lightning, and said to check the fuses. So I did, and they seemed fine. I knew it wasn't the battery knowing the car started right up. So I unhooked the battery for like an half hour, and took out all the fuses one by one, and tapped them a little.. I hooked the battery back up, get in the car, and everything was back to normal.
Now can you tell me what caused this, and do you think that I may've fixed the problem? I always heard when you unplug the battery, it resets everything.  Any feedback will be greatly appreciated.. Thank you..

2 Answers

57,955

I've heard of similar circumstances but never experienced them myself. Yes, disconnecting the battery for a short period of time does reset the computer(s) back to the original setting in some cases. Electrostatic Discharge can wreak havoc on electronics. Ford has gone to great lengths over the years to protect their modules and computers from frying due to short- circuits and even the occasional "oops I hooked up the jumper-cables backward". It's possible that the modules needed to be reset. It's also possible that the extra ozone and humidity in the air caused a connection problem you cured by wiggling a loose fuse. Another possibility: the Body Control Module that controls the Keyless Entry and other security features on your car, may have received erroneous signals too many times and locked itself down. Some thieves have frequency generators to defeat remote systems and many systems "lock out" if they get the wrong code too many times. Lightning generates radio frequency signals - IDK. Just an educated guess.

1 people found this helpful.
Best Answer Mark helpful

Your Answer:

Focus

Looking for a Used Focus in your area?

CarGurus has 476 nationwide Focus listings starting at $2,995.

Postal Code:

CarGurus Experts

  • #1
    Savoy_1800
    Reputation
    3,260
  • #2
    dandyoun
    Reputation
    2,570
  • #3
    Gene Arnett
    Reputation
    2,380
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford Fusion
19 Great Deals out of 428 listings starting at $3,488
Used Honda Civic
181 Great Deals out of 3,936 listings starting at $440
Used Ford Fiesta
7 Great Deals out of 166 listings starting at $4,000
Used Ford Mustang
33 Great Deals out of 1,565 listings starting at $5,977
Used Toyota Corolla
126 Great Deals out of 2,184 listings starting at $103
Used Ford Escape
136 Great Deals out of 4,147 listings starting at $3,999
Used Toyota Camry
51 Great Deals out of 1,116 listings starting at $2,500
Used Honda Accord
49 Great Deals out of 959 listings starting at $2,995
Used Ford F-150
311 Great Deals out of 13,471 listings starting at $4,888
Used Volkswagen Golf GTI
15 Great Deals out of 504 listings starting at $1,704
Used Nissan Sentra
59 Great Deals out of 1,880 listings starting at $3,995
Used Mazda MAZDA3
71 Great Deals out of 1,246 listings starting at $2,900
Used Nissan Altima
33 Great Deals out of 663 listings starting at $3,795

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.