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DTC code B10AB

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Old Feb 3, 2026 | 11:21 AM
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Default DTC code B10AB

plugged Forscan into the new truck for the first time yesterday and the only code it's throwing is "B10AB - remote keyless entry synchronization"

Any ideas on the cause/how to fix it?
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Old Feb 3, 2026 | 11:36 AM
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Do all functions of the key fobs still work?
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Old Feb 3, 2026 | 11:37 AM
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Originally Posted by barchief
plugged Forscan into the new truck for the first time yesterday and the only code it's throwing is "B10AB - remote keyless entry synchronization"

Any ideas on the cause/how to fix it?
What are the numbers/letters you see after the B10AB code?
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Old Feb 3, 2026 | 11:50 AM
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Originally Posted by henfield
Do all functions of the key fobs still work?
yes
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Old Feb 3, 2026 | 11:51 AM
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Originally Posted by rugedraw
What are the numbers/letters you see after the B10AB code?
there are none

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Old Feb 3, 2026 | 01:05 PM
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Originally Posted by barchief
there are none
The status byte is 0A, which means it is an active fault and not a stored code; just not one that would throw a hard fault on the dash.

However, I agree that if everything is working as it should, I would not stress it. If your Fordpass is connected, you can message me the VIN and I can check to see if there are any TSB's or SSM's on Ford side that code references.
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Old Feb 3, 2026 | 03:08 PM
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@barchief Got your message. That BCM code has been there for the past 60 days which is as far back as I can see codes stored in Ford's cloud. There is no SSM or TSB referenced by the code that would provide a clue as to why it is there. Not sure what is causing it, but if everything it working fine, then I would ignore it.

The truck did have some battery voltage codes which seem to have gone away and turned into stored codes right around the time the dealer replaced the battery. As of an hour ago, the SoC of the battery was reported at 66% which is a bit low, so I would charge it up if you have a charger. This has nothing to do with the code you posted about; just an observation I made while I was in there.
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Old Feb 3, 2026 | 03:21 PM
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Originally Posted by rugedraw
@barchief Got your message. That BCM code has been there for the past 60 days which is as far back as I can see codes stored in Ford's cloud. There is no SSM or TSB referenced by the code that would provide a clue as to why it is there. Not sure what is causing it, but if everything it working fine, then I would ignore it.

The truck did have some battery voltage codes which seem to have gone away and turned into stored codes right around the time the dealer replaced the battery. As of an hour ago, the SoC of the battery was reported at 66% which is a bit low, so I would charge it up if you have a charger. This has nothing to do with the code you posted about; just an observation I made while I was in there.
Is that the AUX battery or the main cranking battery? Would that be a reason why my "MyView" keeps resetting to only a couple of choices?
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Old Feb 3, 2026 | 03:35 PM
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Originally Posted by barchief
Is that the AUX battery or the main cranking battery? Would that be a reason why my "MyView" keeps resetting to only a couple of choices?
Which battery is not specified. It could be both of them and I would charge both jic.

No, the MyView resetting is a known issue. It happens all the time to many owners across all Ford platforms on Sync 4.
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Old Feb 3, 2026 | 03:45 PM
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Originally Posted by rugedraw
Which battery is not specified. It could be both of them and I would charge both jic.

No, the MyView resetting is a known issue. It happens all the time to many owners across all Ford platforms on Sync 4.
last question.. remove the terminals and charge or charge them separately with the terminals on? And if I leave the terminals on, is there a particular place to put the clamps?
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