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Electronic issues after battery change, HELP!!

sight_life

By sight_life
in Troubleshooting & Recalls

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sight_life New Member

sight_life

Posted
Posted (edited)

2017 Chevy 1500 LTZ

Two weeks ago I drove home from work and turned my truck off while I went in to get my kids. when I came back out the truck would not start and acted like the battery was dead. I jumped the truck and noticed I had lost all saved data on the radio. I let the truck run for about 30-45 minutes in order to let the battery charge as I thought it was dead even though I had no issues before. I came out the next morning and the truck would not start again so I went and got a new battery and replaced it. The truck started just fine but now I have other issues, the radio does not work, the passenger side of the truck is dead, the HVAC changed temp but does not kick on, door locks do not work and the drivers side head light does not come on. I have torn my truck apart and replaced 5 blown fuses, checked the HDI connections, pulled and visually inspected all fuses possible, disconnected the battery and let it sit in hopes it would reset the BCM with no luck. I am at a loss, I am afraid to take it to the dealership as they want to charge me $145 to diagnose it. I have read a lot and things are starting to come back to the BCM from my research. Can someone please help me before I drop a shit ton of cash I don't have nor need to spend especially during these times. Also the truck runs and drives fine minus the electrical issues listed. 

 

Thank you in advance for anyone that helps. 

Edited by sight_life
JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
On 3/23/2020 at 6:27 PM, sight_life said:

2017 Chevy 1500 LTZ

Two weeks ago I drove home from work and turned my truck off while I went in to get my kids. when I came back out the truck would not start and acted like the battery was dead. I jumped the truck and noticed I had lost all saved data on the radio. I let the truck run for about 30-45 minutes in order to let the battery charge as I thought it was dead even though I had no issues before. I came out the next morning and the truck would not start again so I went and got a new battery and replaced it. The truck started just fine but now I have other issues, the radio does not work, the passenger side of the truck is dead, the HVAC changed temp but does not kick on, door locks do not work and the drivers side head light does not come on. I have torn my truck apart and replaced 5 blown fuses, checked the HDI connections, pulled and visually inspected all fuses possible, disconnected the battery and let it sit in hopes it would reset the BCM with no luck. I am at a loss, I am afraid to take it to the dealership as they want to charge me $145 to diagnose it. I have read a lot and things are starting to come back to the BCM from my research. Can someone please help me before I drop a shit ton of cash I don't have nor need to spend especially during these times. Also the truck runs and drives fine minus the electrical issues listed. 

 

Thank you in advance for anyone that helps. 

Could be a dumb question, but when you jumped the old battery with another vehicle, did you follow the instructions in the owners manual?

If not, there is a chance you may have hurt some equipment.

  • 1 year later...
Nigel Ystenes Enthusiast

Nigel Ystenes

Posted
Posted (edited)

I had the same problem, brought it in and they wiggled the battery terminal connection, tightened it more, wiggled the connection, tightened it, and all the sudden the fan, radio, and blinkers turned on.  To fix the passenger side you need to hold the driver window switch down for 15 to 20 seconds, then up for 15 to 20 seconds.

Edited by Nigel Ystenes
  • 2 years later...
JapanNC77 New Member

JapanNC77

Posted
Posted

I had the same exact issues after changing my battery.  I ended up disconnecting the battery and let it set overnight.  I got up the next morning and reconnected everything and all of the problems were gone.  Everything is back to normal now.

  • 9 months later...
jcool223 New Member

jcool223

Posted
Posted
On 3/23/2020 at 9:27 PM, sight_life said:

2017 Chevy 1500 LTZ

Two weeks ago I drove home from work and turned my truck off while I went in to get my kids. when I came back out the truck would not start and acted like the battery was dead. I jumped the truck and noticed I had lost all saved data on the radio. I let the truck run for about 30-45 minutes in order to let the battery charge as I thought it was dead even though I had no issues before. I came out the next morning and the truck would not start again so I went and got a new battery and replaced it. The truck started just fine but now I have other issues, the radio does not work, the passenger side of the truck is dead, the HVAC changed temp but does not kick on, door locks do not work and the drivers side head light does not come on. I have torn my truck apart and replaced 5 blown fuses, checked the HDI connections, pulled and visually inspected all fuses possible, disconnected the battery and let it sit in hopes it would reset the BCM with no luck. I am at a loss, I am afraid to take it to the dealership as they want to charge me $145 to diagnose it. I have read a lot and things are starting to come back to the BCM from my research. Can someone please help me before I drop a ****** ton of cash I don't have nor need to spend especially during these times. Also the truck runs and drives fine minus the electrical issues listed. 

 

Thank you in advance for anyone that helps. 

did you ever fix the issue, i have the same issue currently. 

GMCustomerService Senior Enthusiast

GMCustomerService

Posted
Posted
17 hours ago, jcool223 said:

did you ever fix the issue, i have the same issue currently. 

We are sorry to see you are having concerns with your vehicle and would like to investigate this further for you. Please send us an email to [email protected]. Be sure to include your Username and Forum name in the subject line with additional details. We look forward to your email. 

  • Sad 1
  • 9 months later...
jared333 New Member

jared333

Posted
Posted

Having the same issue in a 2017. Combed through all fuses and none are blown. I disconnected the battery in hopes the computer will reset. If any of you found a firm fix please let me know.

  • 3 months later...

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