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Home > P400e Area (L663) > BECM error codes, should I be worried!
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Johan6504



Member Since: 13 Jul 2020
Location: Partille
Posts: 15
Sweden 
BECM error codes, should I be worried!
Using Gapiid I am reading the following codes on my P400e MY22.


Click image to enlarge

The car has had both primary and secondary battery changed some time ago.
The car runs and drives as expected, should I be worried or take action?
Post #1067651 14th May 2025 6:33am
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Metisse



Member Since: 03 Jun 2022
Location: Wiltshire
Posts: 11
United Kingdom 
Hi Johan6504,

Did you resolve these faults? I have just found the last two are now present on my vehicle and I can't clear them. I noticed that the car was reverting to the petrol engine when there was plenty of charge available and EV mode had been selected.

Many thanks

Peter[/code] 2022 Defender 110 HSE P400e Tasman Blue
Post #1070448 27th Jun 2025 8:59pm
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Johan6504



Member Since: 13 Jul 2020
Location: Partille
Posts: 15
Sweden 
Hi
I am still getting these from time to time. Clearing them can be done using gapiid tool, resetting all to factory settings.
LR has not been able to explain why I am getting them...
Post #1070449 27th Jun 2025 9:16pm
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Metisse



Member Since: 03 Jun 2022
Location: Wiltshire
Posts: 11
United Kingdom 
Many thanks, I'll keep trying and will let you know any results. 2022 Defender 110 HSE P400e Tasman Blue
Post #1070468 28th Jun 2025 6:48am
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DutchdefenderX



Member Since: 25 Dec 2024
Location: Amsterdam
Posts: 9
Netherlands 
Very Lickely your HV Heater died. Happens on many PHEV (also non landrover) is a warranty issue. You can notice this when your car doesnt start in ev immidiatly.
Post #1071466 15th Jul 2025 11:01am
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Metisse



Member Since: 03 Jun 2022
Location: Wiltshire
Posts: 11
United Kingdom 
Hi DutchdefenderX, thanks for the heads up.

It's not the HV heater as that was replaced a few months ago under warranty and the fault codes were different and specific to the heater. The car runs normally now and has stopped switching back to the engine unless there is no charge left or I make a big demand for power.

If there is anything further that comes up from this I'll follow up on this thread and grateful for others input and experiences.

Peter 2022 Defender 110 HSE P400e Tasman Blue
Post #1071468 15th Jul 2025 11:13am
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