Fuel range currently fluctuating and inaccurate?

Tiny
DAVID CHANDLER FARR
  • MEMBER
  • 2010 NISSAN ALTIMA
  • 4 CYL
  • AUTOMATIC
  • 228,514 MILES
What part on the car listed above reads the fuel range and how many miles until empty because mine is currently fluctuating and inaccurate. So, how do I fix this?
Sunday, July 9th, 2023 AT 1:52 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,967 POSTS
This is controlled by the BCM and PCM, I would run a CAN scan to see what codes come up. You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

and

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Here is one for about $99.00 if you need it:

https://amzn.to/3ZixY4v

Please let me know what codes so we can fix it.
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Monday, July 10th, 2023 AT 11:16 AM
Tiny
DAVID CHANDLER FARR
  • MEMBER
  • 23 POSTS
Well, I currently have no check engine light as before I was getting it and having these codes, these attached photos were the only codes I was getting, but like I said I have no check engine light right now.
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Monday, July 10th, 2023 AT 12:55 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,967 POSTS
Thank you, these won't have anything to do with the mileage indicator. Is the code reader you or using a CAN scanner? I would clear the codes to see if they come back.
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Tuesday, July 11th, 2023 AT 10:20 AM

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