Skip the auto shop - Our mechanics make house calls

Q: Battery change. Do you do computer reset after battery change?

asked by on

Will all data still in memory? Do I still need to go to the the dealer to reset the computer?

My car has 48000 miles.
My car has an automatic transmission.

A: Hi there: The ECU contains a small battery...

Hi there:

The ECU contains a small battery inside of it that acts as a back up when the battery drains or is removed; which ensures that data is not wiped away when the battery is replaced. There is no need to reset the computer per say, but if you had any error codes that indicated a problem existed; then you’ll need to have a professional mechanic complete a check engine light inspection.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Which is better for the BMW E53 X5: coil springs or air suspension? BMW X5

Hi there - the BMW air suspension system was developed to maximize the "sport utility" nature of the vehicle (kids and soccer equipment during the week, home DIY, camping, etc on the weekend, as well as the handling everyone expects...

Q: Car jerks heavily at stops

I am sorry to see that your newer BMW is experiencing issues with noise so quickly. Though ideally I would have more information before providing a diagnosis, I will attempt to hopefully steer you in the right direction toward what...

Q: Trunk latch not catching

Hello, since the hatch won't latch closed, take a look inside the latch and see that it didn't latch close on it's own. If you can see that the tongue has rotated and you can see the circle in the...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.