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Old Feb 10, 2020 | 03:23 PM
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Default odometer appears at startup

I have been noticing for the last 3 months or so that when I start my 99FRC after it has sat for a few days the odometer shows up and stays until I scroll through to a blank DIC. It only does it on the first start and if I drive it every day it doesn't happen. I thought it might be the battery but a load test showed it was fine. Any ideas?
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Old Feb 10, 2020 | 05:00 PM
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Originally Posted by frc319
I have been noticing for the last 3 months or so that when I start my 99FRC after it has sat for a few days the odometer shows up and stays until I scroll through to a blank DIC. It only does it on the first start and if I drive it every day it doesn't happen. I thought it might be the battery but a load test showed it was fine. Any ideas?
You can be on the right track that it is the battery. When my car sits for a period of time it does the same as yours. I don’t think the battery is bad just low voltage.

Last edited by Fcar 98; Feb 10, 2020 at 05:16 PM.
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Old Feb 11, 2020 | 03:38 PM
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This was the first sign in mine that the battery was going.

Make sure the terminals to the battery are tight.
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Old Feb 11, 2020 | 10:36 PM
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Moved to C5 Tech.
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Old Feb 12, 2020 | 12:48 AM
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Originally Posted by frc319
I have been noticing for the last 3 months or so that when I start my 99FRC after it has sat for a few days the odometer shows up and stays until I scroll through to a blank DIC. It only does it on the first start and if I drive it every day it doesn't happen. I thought it might be the battery but a load test showed it was fine. Any ideas?
If the battery voltage falls below a certain threshold during the crank cycle, the displays, including HUD will go back to default display (odometer).

This behavior, plus the other symptoms you mentioned, point to a battery that is not fully charged or that is beginning to fail. If you load-tested it and it passed, check your connections in the alternator-starter-battery chain. The connections at the starter solenoid are a known point of failure and could be preventing your battery from properly charging.
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Old Feb 14, 2020 | 03:23 PM
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Thank you!
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Old Feb 14, 2020 | 06:07 PM
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Yup, my 6-year-old battery did exactly all those things this morning after sitting 3-4 days and the temp hitting 30 degrees.
Might as well start looking for a good AGM battery. don't even think about a std liquid acid battery; I went through the acid
leak nightmare, and you don't wanta go there!

DG
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Old Feb 15, 2020 | 03:32 PM
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Originally Posted by The Wrench
Yup, my 6-year-old battery did exactly all those things this morning after sitting 3-4 days and the temp hitting 30 degrees.
Might as well start looking for a good AGM battery. don't even think about a std liquid acid battery; I went through the acid
leak nightmare, and you don't wanta go there!

DG
Thank you.
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Old Jul 25, 2020 | 01:06 PM
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Originally Posted by frc319
Thank you.
I did finally replace my battery a while back and the issue went away. I got a Champion AGM at Pep Boys. So far I like it. I went back and got another one for my truck.
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