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Codes and limp mode
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05-25-2015, 11:05 PM | #1 |
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Codes and limp mode
So today the car went into limp mode. I got these codes as well as a engine malfunction, DSC, and xdrive warning lights. Currently, the car sounds like it's gasping for air.
2CEF Throttle valve actuator, activation 2D09 Throttle Valve CDAD Requirement road wheel torque drive line, BF I also had a slew of other ones like 2E19, but I got rid of them after replacing the coilpack. The three I listed above are hard faulted, so I'm just going to replace the throttlebody. Hopefully that clears everything up. Lastly, I wanted to see if anyone had any ideas what CDAD is actually referring to. I googled it but I still don't really know. Also, would like to know if anyone has any other ideas as to what could be the cause or what else I should replace (other than coils and spark plugs). For reference, here are the codes I cleared out: 2A82 2A98 2E19 2A99 2CFB |
05-26-2015, 12:29 AM | #3 |
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05-26-2015, 11:35 AM | #5 |
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I think that just means its in limp mode. I would try the classic clean maf and vanos solenoids... has cleared the SES light for me on 3 different occations.
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05-26-2015, 12:28 PM | #6 | |
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Great, thanks. I'll see if cleaning the MAF does the trick. |
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05-27-2015, 11:04 AM | #7 |
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I hit the MAF with some cleaner today and nothing changed, engine cut off in 10secs.
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05-27-2015, 11:59 AM | #9 |
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I unplugged it before give it a liberal dose of MAF cleaner, let it dry and then plugged it back in. Throttle body is next on the list, I've got a replacement on the way. Then I've got to pull out the whole SC. I just have to find a day full day to dedicate to it.
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05-27-2015, 01:12 PM | #10 |
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No, I mean try driving without the MAF hooked up.
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05-27-2015, 02:00 PM | #11 |
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05-27-2015, 02:44 PM | #13 |
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05-27-2015, 10:18 PM | #14 |
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Gave it a go with the MAF unplugged and the car couldn't even stay on for 5 seconds before it cut off.
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05-28-2015, 09:55 AM | #16 |
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05-28-2015, 11:08 AM | #18 |
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It's just some insurance.
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05-28-2015, 02:55 PM | #19 |
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I've cleaned my TB to no avail. I still get the throttle valve errors from time to time.
Please let us know the outcome of the replacing the TB. I know someone on here already did and the results were, well, not promising. Same symptoms. |
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06-01-2015, 09:11 PM | #20 |
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So I found some time to replace the throttle body today. I even put in new plugs and coils.
The plugs were all carbon fouled and the new ones are already getting carbon deposits. The car now starts but has a really rough idle, which shakes the entire car. It hovers 300-500rpm. The current codes: 2ABC Charging pressure sensor, electrical 2DEB Power management, Vehicle wiring system control 0000 Failure location not implemented 2CFB Throttle Valve adaptation value 2FA3 Coding missing 2D09 Butterfly Valve |
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06-01-2015, 09:44 PM | #22 |
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Yea, I have the ESS supercharger and they had the car tuned in house. As for the battery, it's OEM and not even 2yrs old. I even had a battery tender on it while I tried debugging everything.
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