'14 Silverado Remote Start Issue

[2014silver5.3]

Remote start only works when I disconnect and reconnect the battery. It will work for about 5 starts and it stops working. No check engine light. No warning lights, hood is closed, doors are closed and all the fuses are good. 2014 silverado 5.3L 

[silveradosid]

try replacing the remote battery

[2014silver5.3]

Silveradosid, I also put new lithium batteries in both fobs

[Logan Lanfear]

Does the truck do anything when you go to start it? Does the fuel pump kick on or do the lights flash or is it acting like its dead?

[2014silver5.3]

The parking lights flash and the fuel pump does turn on.

[2014silver5.3]

On 9/25/2020 at 9:00 AM, Logan Lanfear said:

Does the truck do anything when you go to start it? Does the fuel pump kick on or do the lights flash or is it acting like its dead?

Any advise? No one has replied for 5 months

[JimCost2014]

9 hours ago, 2014silver5.3 said:

Any advise? No one has replied for 5 months

You might want to check, or replace the hood latch switch. The remote start will not work with any issues, factory safety feature.

 

Lots of post on this problem.

[2014silver5.3]

9 hours ago, JimCost2014 said:

You might want to check, or replace the hood latch switch. The remote start will not work with any issues, factory safety feature.

 

Lots of post on this problem.

It looks fine and I don't has a "hood open" notification.

[JimCost2014]

2 hours ago, 2014silver5.3 said:

It looks fine and I don't has a "hood open" notification.

Just another guess, how old is your battery in the truck?

[Dick Lichon]

Having the same issue. Mine is related to a battery post failure (negative) internal to my battery. Battery is only 6 months old, and it happened again. I stress relieved the negative cable/post, however, not good enough apparently. Definitely vet the posts on the battery. Have someone try to start the vehicle while putting a bit of torque on the post in a couple different directions. This may expose the problem.

[2014silver5.3]

On 2/12/2021 at 1:35 PM, Dick Lichon said:

Having the same issue. Mine is related to a battery post failure (negative) internal to my battery. Battery is only 6 months old, and it happened again. I stress relieved the negative cable/post, however, not good enough apparently. Definitely vet the posts on the battery. Have someone try to start the vehicle while putting a bit of torque on the post in a couple different directions. This may expose the problem.

I will have to give that a try. What do you mean by "vet the posts"? Also, how do you stress relieve the battery, add a ground?

 

[Dick Lichon]

3 hours ago, 2014silver5.3 said:

I will have to give that a try. What do you mean by "vet the posts"? Also, how do you stress relieve the battery, add a ground?

 

Put some torque on the cable at the battery post while someone tries to crank over the truck. If the post has failed you'll detect it when the starter can't roll over the engine. If there is a crack in the post internal to the battery you will exploit the issue putting torque on it opening the crack and creating an open condition. Your starter draws a lot of amps so it will be obvious if it is an issue.

 

I'm going to add a loop of cable to lengthen it. The negative cable is highly unsupported as it runs down the firewall. At least in my case anyway, it is putting quite a bending moment on my negative post creating the failure mode. This is the third battery that has failed this way in my truck. If you key on to accessory does your voltage drop quickly below 12V and then throw a low battery voltage warning? If so, this could be the issue.

[Dick Lichon]

This is a mechanical fatigue failure of the battery post. Not an electrical failure. Lack of voltage and subsequent amperage draw is the symptom of this failure mode. Tough one to find for sure given the housing of the battery is holding things together even though it is cracked.

[2014silver5.3]

10 minutes ago, Dick Lichon said:

This is a mechanical fatigue failure of the battery post. Not an electrical failure. Lack of voltage and subsequent amperage draw is the symptom of this failure mode. Tough one to find for sure given the housing of the battery is holding things together even though it is cracked.

I appreciate your detailed response! I will look into it more. The only difference is I do not have the low voltage warning upon start up. Also, some times when it is cold my starter seems to drag. Would this be a result from this issue?

[Dick Lichon]

Yes, definitely an indication of a possible issue. The low voltage warning would come after a few minutes of power under accessory. I would get issues when listening to the radio for a few minutes with the engine off in accessory key position.