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Dashboard is blank?

Tiny
EHAWRYLUK85
  • MEMBER
  • 2019 CHEVROLET CRUZE
  • 1.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
My dashboard is blank. GPS screen and no AC or heat. I plugged an ODB tester in and it says lost communication with battery current sensor. How do I fix this? Is there a way to maybe jump my car to up the battery voltage or reset the battery monitor module?
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Friday, August 30th, 2024 AT 1:00 AM

12 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,952 POSTS
Yes, if the battery is dead, you will have this problem, if the battery is original then it is over 5 years old and needs replacement. I would remove the battery and have it tested at the auto parts store. Here is a guide to help walk you through and instructions in the images below for your car:

https://www.2carpros.com/articles/how-to-replace-a-car-battery

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Friday, August 30th, 2024 AT 10:47 AM
Tiny
EHAWRYLUK85
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I pulled these codes off one tester. Fml.U01B0.P1101.P3051. P3055.U0100.U0422. No dash lights. No instruments cluster. No GPS. No radio. No heat/AC.
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Saturday, August 31st, 2024 AT 3:37 AM
Tiny
KEN L
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Is the battery good?

U01B0 - Lost Communication with Active Grille Air Shutter Module:
P1101 - Intake Air Flow System Performance:
P3051 - Cylinder 5 Misfire Detected:
P3055 - Cylinder 5 Misfire Detected on Startup:
U0100 - Lost Communication With ECM/PCM "A":
U0422 - Invalid Data Received from Body Control Module (BCM):

Was this car in a flood or in an accident? I would check all fuses, this guide can help, and I have included the fuse locations in the images below.
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Saturday, August 31st, 2024 AT 3:51 PM
Tiny
EHAWRYLUK85
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I replaced the battery current sensor and the battery and now my car won't start, dash still no illumination. No GPS, no radio, no AC, and no heat. Water intrusion from third brake light. There was water in my spare tire reservoir. I drained and wiped it dry and when I replaced the battery, I cleaned the corrosion off the battery tray and then installed a new battery and replaced battery current sensor. Still no luck.
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Tuesday, November 26th, 2024 AT 8:09 AM
Tiny
KEN L
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If you replaced the battery currant sensor you need to program the volatile memory. This is how in the images below

Also, I would turn the ignition system on and then start checking fuses, also check the battery ground, you have lost a major part of the electrical system.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

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Tuesday, November 26th, 2024 AT 11:18 AM
Tiny
EHAWRYLUK85
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I replaced the fuses that was the first thing and I already did the power steering.
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Tuesday, November 26th, 2024 AT 4:22 PM
Tiny
EHAWRYLUK85
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I think I might have to calibrate the battery management system. Reset it.
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Tuesday, November 26th, 2024 AT 4:23 PM
Tiny
KEN L
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Yep, I would try that first, but is still seems like there are some power issues we are not seeing, did you check the fuse panels for power when the systems are on? Did you got over the instructions in the post above?
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Wednesday, November 27th, 2024 AT 11:41 AM
Tiny
EHAWRYLUK85
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  • 7 POSTS
No that is something I have not done but somebody did mention to me that I could be the fuse box I'm not too sure though because I don't have any AC or anything like that but then also the fuse box that's in the engine that's just for the engine function and the other fuse box that's in the dash and the inside of the car that's the one that's for the all the auxiliary stuff so I don't really know because I can't touch the auxiliary battery is like unreachable and you're not supposed to take that one out of the car so I really don't know so I'm going to get a bi-directional diagnostic tester and see if I can reset the battery management system and if all else fails then I'm just going to have to get it towed Chevrolet somehow.
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Wednesday, November 27th, 2024 AT 4:51 PM
Tiny
KEN L
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Yep, something strange is going on or there is a fuse that is blown somewhere, please let me know what they find, I am interested :)
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Thursday, November 28th, 2024 AT 11:39 AM
Tiny
EHAWRYLUK85
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I cried my eyes out today when I put the bi-directional scanner in my car. I originally had a regular ODB scanner, and it only said six codes today it said 16. I'm completely devastated, and I really don't know what to do at this point. I really don't want to have to bring my car to the scrap yard because I absolutely love my car, I don't know what to do.
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Thursday, November 28th, 2024 AT 1:53 PM
Tiny
KEN L
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I would not bring the car to the scrap yard. The problem can be something simple. I would use the test light to see what does not have power in the fuse panel.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Is the car going to the repair shop?
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Friday, November 29th, 2024 AT 10:21 AM

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