Q: Car won't crank up as well as some other electrical issues

asked by on May 20, 2016

Even after jumping my truck this morning before work, it wouldn't start. My friend took me to buy a new battery and after installing it, it took several attempts before it started. While driving to work, the lights started blinking and here's the weird part - the locks started unlocking and re-locking as I was driving. I felt like I was in the Twilight Zone!! Also, the engine was sounding strange. When I got to work and turned off the car, Everything went dead! What do I do now??!!!

Car will not turn over Inspection $79.99 - $89.99 Get a Quote

This sounds like a BCM (body control module) malfunction. This could have been caused either by a low voltage issue or a voltage spike. If the electrical system is dead, there is a power fuse that comes from the battery to the power distribution that needs to be checked. You may want to enlist the help of a mechanic, such as one from YourMechanic, who will have the equipment and expertise to diagnose and inspect why your car does not crank.

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・Fair and transparent pricing

What others are asking

Lights for the dashboard are not very effective

Your issue is somewhat unique and may be difficult to diagnose, mostly because of the random nature of its occurrence. That being said, it is important to look at other things that are happening at the same time of the...

battery voltage falls when engine fan kicks in

The alternator may not be charging; when you put the fan on, it could be drawing too much power so the engine needs to stay running and will stall and kill the battery if battery gets too low. Check the...

My heat/ AC blower motor does not work, the blower is good, the resistor has been replaced, and the relay is good. What am I missing?

Hello. There is a service bulletin out relating to the blower motor of 2003 Suburbans: 11046. It pertains to the blower motor electrical issues Chevy experienced during that time. The electrical terminals were essentially melting. It is a fire hazard....

Engine stutters

It is possible that your engine could have a fuel issue of some kind. Considering that it is a hybrid, I would not overlook they electric motor for issues during this diagnosis. I would first recommend having your vehicle scanned...

Running lean and I can't find a vacuum leak. Sometimes vibrates at various speeds. I let off the gas and then there is a lack of power.

Hi there. For the vacuum leak, look at all of the vacuum hoses on the engine and brake booster. Check to see if the hoses are split, cracked, or unmounted. A vibration could be the engine running rough from the...

DTC code P0106

Hello, thank you for writing in. The most likely cause of the issue is a bad MAP sensor. Before changing it out, you will want to check for any other obvious signs of problems. These would include frayed or damaged...

Every time I drive the epc light goes on and it's says check engine service now and sometimes it just cuts off while driving

Hello. If your warning lights are on then the first thing I would do is retrieve the trouble codes, as they will likely reveal some insight on what the issue may be. Warning lights and stalling can be caused by...

battery tested fine, car won't start

One way to diagnose this is to use a voltmeter to check for battery voltage at the starter motor when the key is held in the "start" position. If there is power to the starter motor, and yet it doesn't...

Does my car need new brake pads and rotors?

Hi there: In most instances, if the brake pads have not fully worn out, the rotors will not suffer scarring or pitting which typically means the rotors need to be surfaced or replaced. However, it really depends on the damage...

Related articles

Symptoms of a Bad or Failing Thermostat
Common signs include the temperature gauge reading being very high or changing erratically, engine overheating, and coolant leaks.
How Long Should an Engine Last?
A car engine can last hundreds of thousands of miles. Get your oil changed often and don't ignore car warning lights to make your engine last longer.
How to Make Car Switches Last Longer
Every Every feature in your car is controlled by a switch or button. Most are actively controlled, such as the power windows and power door locks, by means of pressing a button. Systems that are actively controlled include: The...