Trouble Codes: U0d00, P0711, P2300 - Hyundai Forums : Hyundai Forum

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Old 11-22-2009, 09:19 PM   #1 (permalink)
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mubai
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Hi all,
I'm new to the Hyundai forum, but not new to car forums. Anyway, I was hoping someone could help me diagnose the following codes: U0D00, P0711, P2300.

U0D00 - I have no idea what this means.
P0711 - Transmission Fluid Temperature Sensor "A" Circuit Range/Performance. How would I go about fixing this?
P2300 - Ignition Coil "A" Primary Control Circuit Low

Any help would be greatly appreciated.
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Old 04-26-2010, 04:39 PM   #2 (permalink)
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godsantagonist
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any updates on these codes?

i have the same exact 3 codes: U0D00, P0711 (pending), P2300 (pending) on my 2000 hyundai sonata gls. i've read that the U0D00 might be related to the MAF and am going to try and clean it first to see if that helps. the codes do trip the cel, but it comes and goes.

i also have sluggish, jerkiness when accelerating at times. perhaps related to the transmission and the pending P0711 code.
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Old 04-27-2010, 08:31 AM   #3 (permalink)
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The U0D00 code does seem to come up as an MAF related problem in my search. Check connector and wire harness leading to the MAF if you replaced or cleaned the MAF and the problem is still present.
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Old 05-13-2010, 02:02 AM   #4 (permalink)
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godsantagonist
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[b]****update****

sorry so late but i had to change the battery too...

i cleaned the air intake at the butterfly as posted here on this site. also, i cleaned the maf sensor with maf sensor cleaner. i erased the codes after i put everything back together after drying. i have driven about 150 miles since the cleaning and the codes have not returned.


i hope this helps out others and thanks wymi for the response and suggestions.
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