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Author Topic: Manual ecu in auto car...  (Read 2384 times)

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Doctor Gollum

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Manual ecu in auto car...
« on: 24 July 2017, 18:59:47 »

Don't recall it being a particular issue, but just to double check...

Will a manual ecu function normally in an auto car?
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GastronomicKleptomaniac

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Re: Manual ecu in auto car...
« Reply #1 on: 24 July 2017, 20:15:51 »

Auto ones work in manual cars, just brings the spanner light on. Imagine its the same vice versa.
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Doctor Gollum

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Re: Manual ecu in auto car...
« Reply #2 on: 24 July 2017, 20:23:22 »

Auto ones work in manual cars, just brings the spanner light on. Imagine its the same vice versa.
This is my hunch too.
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frostbite

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Re: Manual ecu in auto car...
« Reply #3 on: 24 July 2017, 21:28:37 »

If the auto has been converted to manual then the gearbox ecu must still be connected (something to do with the inhibitor switch)

But the auto engine ecu should be ok with a manual box
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Doctor Gollum

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Re: Manual ecu in auto car...
« Reply #4 on: 24 July 2017, 22:05:18 »

Auto car with auto box ;)
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omegod

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Re: Manual ecu in auto car...
« Reply #5 on: 24 July 2017, 23:29:36 »

Is it 49.00 on ebay ?
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Re: Manual ecu in auto car...
« Reply #6 on: 24 July 2017, 23:40:48 »

Is it 49.00 on ebay ?
It was  ;)
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zirk

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Re: Manual ecu in auto car...
« Reply #7 on: 25 July 2017, 11:56:55 »

The Map is slightly different, on a 2.6 Auto/Manualyour probably get away with it without noticing much difference. On a 3.2 more noticeable, especially if you put an 3.2 Auto ECU into a 3.2 Manual Car.

On 3.0 NDBW just use the original Eprom Chip in the new ECU. Never played with a 2.5.

All of the above shouldn't throw any Fault lights, although Ive seen this happen when putting cheapo 3.0 'so called' Performance Eproms on a 3.0.
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Stige

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Re: Manual ecu in auto car...
« Reply #8 on: 25 July 2017, 16:10:28 »

If I leave the battery disconnected for some time, the ECU seems to reset and it shows 4 cylinder/manual until I turn the ignition and it suddenly recognizes it as V6, then touch the shifter and manual changes to auto, which makes me think thet seem to learn just fine what is connected?
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Re: Manual ecu in auto car...
« Reply #9 on: 25 July 2017, 19:17:40 »

If I leave the battery disconnected for some time, the ECU seems to reset and it shows 4 cylinder/manual until I turn the ignition and it suddenly recognizes it as V6, then touch the shifter and manual changes to auto, which makes me think thet seem to learn just fine what is connected?
Not on an Omega ;)
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Re: Manual ecu in auto car...
« Reply #10 on: 25 July 2017, 23:26:11 »

Several years ago, my 3.2 auto got a 'spike' through its electrical system (I think battery related) which basically fried the engine ecu. A firm in Derbyshire attempted to repair it, but found it was unrepairable. I got a used replacement, which was then reprogrammed to the car by an ex Vauxhall auto electrician, and although it generally seemed to work ok, it had odd little quirks (it was about 3 -4 years ago, so I can't recollect exactly what they were now), and although the EML wasn't on, it had clutch switch faults stored (I unfortunately haven't access to the cars paperwork at moment to give the codes stored). However, from the seller, it transpired that the ecu was from a 3.2 manual Police vehicle, so the ecu was then reprogrammed for an auto gearbox, and it has been fine ever since.
Presumably then, as long as it is reprogrammed correctly for the recipitant car, it should work ok. Incidentally, it is now the best performing 3.2 I have ever driven; maybe it's a figment of my imagination, but I have driven a few over the years to make the comparison.....
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Stige

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Re: Manual ecu in auto car...
« Reply #11 on: 29 July 2017, 12:50:30 »

If I leave the battery disconnected for some time, the ECU seems to reset and it shows 4 cylinder/manual until I turn the ignition and it suddenly recognizes it as V6, then touch the shifter and manual changes to auto, which makes me think thet seem to learn just fine what is connected?
Not on an Omega ;)

Well that was just my experience with it, no clue if it actually works if I put a manual in or something, just what I observed when using "My Naff Code Reader" after battery was disconnected.
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