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toetankh

Member Since: 05 Aug 2015
Location: Papendrecht
Posts: 22

2007 Defender 110 Puma 2.4 SW Stornoway Grey

New vcv (Denso) learning wit BAS rrc?

All,

I replaced my vcv because I was experiencing a bit of rough idling. As mentioned in other threads: A bit of a pain to replace, but doable... Idling issue seems to be resolved now.

Now I'm trying to do a pump relearn with my BAS rrc, but it keeps saying that the procedure failed.

Read numerous threads, but haven't found a proper solution (other than keep replacing vcv's until succesful?).

Thanks again!

Sven

9th Jun 2018 3:48pm

shropshiredefender

Member Since: 05 Jun 2017
Location: Shropshire
Posts: 834

2011 Defender 110 Puma 2.4 USW Santorini Black

Have you tried contacting Pete at BAS via his website?
https://bellautoservices.co.uk/
He was very helpful when I had a similar problem.
In my case recon injectors were the cause of the problem.

9th Jun 2018 4:11pm

toetankh

Member Since: 05 Aug 2015
Location: Papendrecht
Posts: 22

Haven't done that yet.. Will send a note to him as well.

Just want to emphasize that I'm not suspecting the BAS device to be the cause of the problem, has been working fine in every aspect.

9th Jun 2018 4:15pm

williamthedog

Member Since: 29 Dec 2012
Location: south wales
Posts: 3441

Have you got it up to temperature? Sometimes they are a pain to do a relearn on. If you keep getting the fail to relearn I wouldn't worry to much about it. It will relearn itself over time anyway.

9th Jun 2018 4:24pm

NickMc

Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

I’ve never done it on the BAS machine, but on autologic the car has to be to temperature like has been said.

9th Jun 2018 5:17pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2638

2010 Defender 90 Puma 2.4 SW Alpine White

Sven, I've done this procedure a couple of times, always successful.

At which point does it fail? Right at the end? Or somewhere in the middle? --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

9th Jun 2018 5:21pm

BenB8man

Member Since: 22 Mar 2017
Location: Norfolk
Posts: 429

2010 Defender 110 Puma 2.4 DCPU Stornoway Grey

Just out of interest, I don't suppose you have anything none standard attached to the alarm/immobiliser system?

9th Jun 2018 8:06pm

toetankh

Member Since: 05 Aug 2015
Location: Papendrecht
Posts: 22

Thanks for the suggestions!

Engine was at correct temperature (the BAS tool checks this)
Seems to fail at the end. I can then abort or restart (which then ends with again the same message.)

Hope its nog injector related (nothing changed)

Alarm is standard (bbus moved bowever....)

9th Jun 2018 9:35pm

zsd-puma

Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

2010 Defender 110 Puma 2.4 USW Santorini Black

Mine did this. Went through fine once I replaced the PRV on the back end of the fuel rail with a genuine one. The pattern one from Transit parts just wouldn't pass the learn.
It may even be that your current PRV has gone pop and needs replacing anyway.

9th Jun 2018 10:17pm

NickMc

Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

Yep aftermarket sensors can be the problem too as Mr Zsd says.

9th Jun 2018 10:48pm

toetankh

Member Since: 05 Aug 2015
Location: Papendrecht
Posts: 22

Pete gave me a tip to try and drive the car a bit longer and then try again.

If that doesn't work, I can also replace the PRV, they don't seem to be that expensive.

Will keep you posted

11th Jun 2018 8:29am

Bluericky

Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

2009 Defender 110 Puma 2.4 DCPU Keswick Green

I Had the same problem, I must have tried to learn it 7-8 times and it would always fail at the end.
I took Petes advice and went for a long drive as well (40 mins round trip to town) and it seemed to work.

12th Jun 2018 6:35am

Johan H

Member Since: 12 Oct 2017
Location: Helsingfors
Posts: 36

I had the same problem with failing learn process, called Bellautoservices. Pete told me the ambient temp also has to be above 15 degrees.

I'm waiting for spring...

18th Feb 2020 12:37pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17382

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

I no longer bother to do a pump relearn after a VCV change, and just let it sort itself out.

18th Feb 2020 2:55pm

keef9t

Member Since: 13 Mar 2016
Location: manchester
Posts: 170

2007 Defender 90 Puma 2.4 HT Stornoway Grey

I didn't bother with a re-learn either. It worked fine

18th Feb 2020 5:01pm

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