2005 Buick Century--Possible electrical problem or issue?

Asked by ses2002 Jul 27, 2021 at 11:06 PM about the 2005 Buick Century Custom Sedan FWD

Question type: Maintenance & Repair

I have a 2005 Buick Century.  This evening just as my front wheels hit the
curb at my driveway, my car lost electrical power and the engine died.  My
first try to restart the car did not work, but the second try did work.  Earlier
this evening I encountered a small dip in a road and my car lost power just
for a split instant but recovered.  Both times the clock on my radio went
back to 12:00.  Have I got a loose connection somewhere, an alternator
problem, a coil problem?  Please advise?

1 Answer


A few things: You may want to start with checking the grounding on the body/frame. Otherwise; - The ECU for your vehicle is under the air filter box (if I remember correctly). You may want to see if it has become dislodged, or the connection to it is loose. - Check to see if the instrument cluster is illuminating a “security” light. These vehicles have a resistor value built into the ignition key, which produces a voltage signature that is validated by the BCM. If there is an issue, a no start condition or possibly a cut off could result.

Your Answer:

Own this car?

Share your experience with others.

2005 Buick Century

Review another car

CarGurus Experts

  • #1
    Bruce Sampson
  • #2
    John Saffrahn
  • #3
View All

Know more, shop wisely


Related Models For Sale

Used Buick LeSabre
5 Great Deals out of 164 listings starting at $1,895
Used Buick Regal
52 Great Deals out of 680 listings starting at $1,995
Used Chevrolet Impala
260 Great Deals out of 3,867 listings starting at $900
Used Buick Park Avenue
41 listings starting at $4,488
Used Buick Lucerne
30 Great Deals out of 441 listings starting at $2,850
Used Chevrolet Malibu
953 Great Deals out of 20,800 listings starting at $1,970
Used Buick LaCrosse
94 Great Deals out of 1,455 listings starting at $1,650
Used Dodge Charger
681 Great Deals out of 31,527 listings starting at $1,900
Used Toyota Camry
2,095 Great Deals out of 39,310 listings starting at $1,150
Used Ford Mustang
874 Great Deals out of 23,451 listings starting at $1,995
Used Ford Focus
391 Great Deals out of 5,200 listings starting at $1,035
Used Cadillac CTS-V
6 Great Deals out of 134 listings starting at $19,999
Used Cadillac DeVille
273 listings starting at $3,250

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.