P38 guy
Member
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- 59
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- Amman, Jordan
P38A Aftermarket remote p38
- Thread starter P38 guy
- Start date
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Datatek
Well-Known Member
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- 44,884
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- Near Poitiers SW France
Easier to fix the standard remote or set up the BECM to work with just the key blade and no remote.
As standard, the code from the P38 FOB is needed to turn off the immobiliser.
brianp38dse
Well-Known Member
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- 20,062
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- heathrow
The battery drain is probably the rf receiver looking for a signal from the remote key if you fix the original ones so the system works you can then fit a second remote switch between the rf receiver and the becm that will stop all signals getting to the becm and waking the system up cost about £15 or a gen 3 reciever that is about £300
- Posts
- 16,354
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- Benfleet, Essex
I found the 2nd remote to be a bit of a pain (although it worked perfectly) it was just too much junk in my pocket.
Marty's filter @£79.99 was the answer for me, resolved the overall issue and the original fobs all work fine.
Marty's filter @£79.99 was the answer for me, resolved the overall issue and the original fobs all work fine.
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- 12,628
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- Sud ouest France !
Or fix the drain 
cornishboater
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- 639
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- Poole, Dorset
Same here, I haven't had an issue since fitting it, marvellous
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- 3,878
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- Near Heathrow.
Got them on both my P38's.
P38 guy
Member
- Posts
- 59
- Location
- Amman, Jordan
I removed the receivers years ago when I put aftermarket remote on it the first time
P38 guy
Member
- Posts
- 59
- Location
- Amman, Jordan
Drain is from the current aftermarket remoteOr fix the drain
P38 guy
Member
- Posts
- 59
- Location
- Amman, Jordan
If I make it work with the blade only and install the aftermarket remote would it still drain ?
Datatek
Well-Known Member
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- 44,884
- Location
- Near Poitiers SW France
If it's the aftermarket remote causing the drain then yes.
P38 guy
Member
- Posts
- 59
- Location
- Amman, Jordan
It is because car thinks it’s being closed from inside
Datatek
Well-Known Member
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- 44,884
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- Near Poitiers SW France
Ah, that's new. Closing from the inside should not cause a current drain. Search for BECM sleep test.
P38 guy
Member
- Posts
- 59
- Location
- Amman, Jordan
Did it and light kept on
Datatek
Well-Known Member
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- 44,884
- Location
- Near Poitiers SW France
So you have to track down the cause of the BECM not going to sleep, you could start by checking the ultra sonic sensors for the alarm.
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- 12,628
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- Sud ouest France !
Do you get random beeping and never get to see the warning sign? Bonnet catch can also cause this
- Posts
- 3,878
- Location
- Near Heathrow.
Here's the sleep test procedure from BECM system Info doc. It's a bit blurry, but that's the best copy I have.
P38 guy
Member
- Posts
- 59
- Location
- Amman, Jordan
The ones that are in the roof are missing lol
P38 guy
Member
- Posts
- 59
- Location
- Amman, Jordan
No beep or warning or anythingDo you get random beeping and never get to see the warning sign? Bonnet catch can also cause this
