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Old 09-01-2019, 08:34 PM   #81
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I bought a new oem battery for my '12 Focus SE sedan. Before changing the battery in the test mode screen I had no DTC. After replacing battery I have a DTC code. I don't have engine light on, car shifts fine, my windows work and TPMS are fine. I did not do BMS. I have torque pro but don't see an option for this, has prettt much everything but bms. Battery shows proper voltage when off and when on but I have this new DTC code. What ya guys think??
did you ever figure this one out?
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Old 09-02-2019, 11:54 PM   #82
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is the forscan download free?
Yes, the windows version is free
To get the extended lisence, just need to join the forum for free

Sent from my SM-G960F using FF Mobile
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Old 09-08-2019, 01:35 AM   #83
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what is the advanage of the extended version?
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Old 09-08-2019, 02:49 PM   #84
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what is the advanage of the extended version?
It has some features not available in the lite versions. Still free for limited time trial versions that I think you can continually renew.
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Old 09-08-2019, 03:02 PM   #85
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My car seems to still start fine. I used forscan and it did bms reset successfully it says, but to actually tell if it worked I don't know. Through the integrated screen that you can check battery shows voltage its always at 12.0-12.1 which is technically weak or dead battery right? After doing forscan bms reset it through off 2 hidden dtc codes that appear to both be chassis codes. No engine light on, car gets good gas mileage and shifts normally. Not sure about to dtc codes tho.
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Old 09-08-2019, 04:11 PM   #86
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likewise. except my DTC code is BMS not working
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Old 09-08-2019, 10:29 PM   #87
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My DTC codes are
DTC #01
C121_00

DTC#02
C073_88

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likewise.
except my DTC code is BMS not working
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Old 09-10-2019, 02:12 AM   #88
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ask on forscan?
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Old 09-18-2019, 09:14 PM   #89
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I had two battery go south over 5 years. first had terrible corrosion of hte positive cable. Second of the negative.
Forscan showed a fault in the BMS.
I replaced the negative cable, the wiring from the BMS, and the battery and NOW i get 4 faults (not one)!!! :roll:

Now i have 4 faults
1) Lost Communication With Battery Monitoring Sensor A
2) Code: U0073 - Control Module Communication Bus A Off
3) Code: U0140 - Lost Communication With Body Control Module
4) Code: U3003 - Battery Voltage

Any advice at all would be greatly appreciated!
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Old 09-20-2019, 01:03 AM   #90
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No one?
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