Skip the auto shop - Our mechanics make house calls

Q: Warning lights while driving

asked by on

Hello,

I have a BMW 645ci and I have been having problems where all the lights on the dahboard pop up, like ABS, TRANSMISSION FAULT, SEATBELT, HANDBRAKE etc. I have recently changed the battery hoping this will helped but it hasnt, do you know if this might be an alternator problem?

My car has 104000 miles.
My car has an automatic transmission.

A: There can be a lot of things that could cau...

There can be a lot of things that could cause all of your warning lights to come on. Low battery voltage loves to reek havoc on any electrical systems and a low charging alternator would be the simplest repair. It is also not uncommon for the vehicles computer to intermittently fail.

I would recommend enlisting the assistance of one of our certified technicians to come by and perform an electrical diagnostic on your BMW. Once on, site the technician will be able to put their skills to work and determine the exact cause of your multiple warning lights coming on. They will also be able to assist you with the repairs needed to get your BMW up and running again.

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

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: No one can replace AC compressor belt after it snapped

Hello. In order to install a new belt, you will need to use a torx bit on the tensioner to move it. These tensioners are not easy to move and the torx is easy to strip out. I usually use...

Q: When letting off the accelerator, the vehicle will jerk (it feels like a slight back and forth movement)

Hello. I think what we are looking for here are possible problems caused by a "torque-reversal" in the drivetrain. That is, when accelerating or maintaining road speed, the engine/transmission and all the drive links (driveshafts, differentials, transfer case, etc.) have...

Q: Power steering cutting out

Hi, first I would recommend checking the fluid level under the hood and make sure the level is correct. If you are low on fluid, it can create pockets of air, causing a loss in power steering as you turn...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
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...