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Author W reg Corsa 1.2 Diagnostics
angryman
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Registered: 23rd Sep 13
User status: Offline
22nd Jan 15 at 22:12   View User's Profile U2U Member Reply With Quote

Anyone know why a hand held code reader that is EOBD and OBDII compliant won't communicate with the Ecu? Tried 2 different readers. Garage had to use a different diagnostics to read codes. Not sure what they used. Will the paper clip test work as the pedal on doesn't? Car is First registered in 2000
Dee25790
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Registered: 3rd Jun 14
User status: Offline
23rd Jan 15 at 00:58   View User's Profile U2U Member Reply With Quote

I've had this problem with a 99 1l

Tried two different systems both costing in excess of ten grand apparently and neither could read it.
An old one in a friend of my dads garage
And my own obd2 with opcom

None of them read it..

Apparently in the past there was an egr problem (car been in the family best part of ten years) and an rac guy that was outside my uncles unit got talking and threw his diagnostics on.. Apparently he plugged it in somewhere under the bonnet?! But the only connector under there is for a fan test.

If you ever find out what software they used I would love to know!
angryman
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Registered: 23rd Sep 13
User status: Offline
23rd Jan 15 at 08:04   View User's Profile U2U Member Reply With Quote

Hmmm, well the 16 pin plug is in the fuse box in the car, but reader says can't communicate. Got mechanic coming tomorrow with what he used before so i'll find out what he uses


[Edited on 23-01-2015 by angryman]
Dee25790
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Registered: 3rd Jun 14
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23rd Jan 15 at 18:38   View User's Profile U2U Member Reply With Quote

Yeah I had the same thing. The more expensive of the readers mentioned even matched the vin but the car still had none of it haha.
If you find out would be great to know. It's frustrating haha
angryman
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Registered: 23rd Sep 13
User status: Offline
24th Jan 15 at 18:29   View User's Profile U2U Member Reply With Quote

Right, mechanic had a snap on reader and it came back with 02 sensor voltage low , however the reader wouldn't do a live test so he'll need to hook it up to yet another machine
Dee25790
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Registered: 3rd Jun 14
User status: Offline
25th Jan 15 at 06:07   View User's Profile U2U Member Reply With Quote

Hmm strange already tried a snap on. Corsa b diagnostics seems to be a bit if a minefield
angryman
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Registered: 23rd Sep 13
User status: Offline
25th Jan 15 at 10:17   View User's Profile U2U Member Reply With Quote

Dee, he went through 3 or 4 of the chips until he found the right one
VegasPhil
Premium Member

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Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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25th Jan 15 at 11:43   View Garage View User's Profile U2U Member Reply With Quote

Is it the 1.2 16v? From memory both those and the 1.0 12v could not be paper clip tested. There is no pedal test for the B.


Corsa 2.0 16v Vegas - Sold
angryman
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Registered: 23rd Sep 13
User status: Offline
25th Jan 15 at 12:42   View User's Profile U2U Member Reply With Quote

Vegas, yes 1.2 16V..... made in 1999 , 2000 registered
angryman
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Registered: 23rd Sep 13
User status: Offline
8th Feb 15 at 17:34   View User's Profile U2U Member Reply With Quote

I now have Op Com for 16 and can access the Corsa wahoo!

 
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