Battery is five years old, after recharging, it started up fine but would not restart after shutting it off?

2010 FORD F-150
110,000 MILES • 5.4L • V6 • 4WD • AUTOMATIC
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OKTAHARON
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  • 2 POSTS
had to recharge my battery today to get it started. It's 5 years old, so I'm not surprised. After recharging, It started up fine but would not re-start after shutting it off when refueling. I am getting a P1000-00 "OBD systems readiness test not complete." On my Innova 5410 scanner. Prior to this, a couple of days ago, I did have a "P0690 ECM/PCM Power Relay sense circuit high" code. I did totally disconnect my battery to clean the terminals a day ago, but it started after that. Okay, I found that error code and it looks minor/normal for having disconnected the battery. Still, the engine will not start. Looks to be intermittent problem. I know, the worst kind huh? Again, thanks for your thoughts. Just sitting here scratching my head.
Thoughts?
Sep 29, 2023 at 2:14 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,238 POSTS
The codes are there because of low voltage, I would replace the battery, is sounds bad but to be sure this guide can help you load test the battery using no equipment:

https://www.2carpros.com/articles/car-battery-load-test

Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car:

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

Clear the codes when completed. Check out the images (below). Please let us know how it goes.
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Sep 29, 2023 at 2:42 AM
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