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 Can't figure out EVAP CEL issue, help

 Created by: Sirmoog
   Forum Width:     Forum Type: 

 Posted: Aug 10, 2020 03:42AM
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Last post: May 23, 2023
Member since:Dec 29, 2004
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The DME is the main computer, also referred to as the ECU.

Let us know what you find out...

 Posted: Aug 7, 2020 04:06AM
Total posts: 2
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Member since:Aug 6, 2020
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I stupidly thought I could save a few $$ to do the job myself.

Thanks though for your input, I agree it seems like something electrical, but the question is where.

What does DME stand for?
Thanks!

 Posted: Aug 7, 2020 03:33AM
Total posts: 2271
Last post: May 23, 2023
Member since:Dec 29, 2004
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Quote:
Originally Posted by Sirmoog
Hi all, I've been reading on these forums for a while, but this is my first post. I've got a 2010 Clubman S which needed complete timing chain repair and two new valves in the cylinder head, a pretty big job which is out of my league. When the car was finished, they let me know the car had the CEL on with an EVAP code, and likely needed a new leak detection pump. "No problem" I thought to myself, I'll just take care of that when I get the car back.
So, got a new pump, installed it, and...no change. Checked my codes, reading P2418 (EVAP System Switching Valve Control Circuit/Open), and 272A (DMTL diagnosis module tank leakage, magnetic valve, input signal).
OK, so right to the forums, learned that there could be an issue with the wires fraying that lead to the pump. So checked those out, and all look good.
I seem to have reached the end of my capabilities. I wonder if anyone can share some insight as to what else could be the problem here.
Also, one other item, maybe it is odd, maybe it isn't. I found instructions online to change out the pump, which involved removing the charcoal canister. One of the steps was to remove the electrical connection from the front of the charcoal canister box. On mine, there were no wires attached. Would be nice to know from this group if they were intentionally deleted in the 2010 Clubman S.
Thanks!!
Strange that the shop would release the car to you with the CEL on...

P2418 - The fault is recognized when an activation signal is transmitted to the leakage diagnosis pump and a short circuit is present.

Potential problem source(s):
- Defective wiring harness
- DMTL defective (detection module for tank leakage)

272A (P2401) - The fault is recognized when an activation signal is transmitted to the leakage diagnosis pump and a short circuit is present.

Potential problem source(s):
- Fault in wiring harness between DME and low-pressure sensor
- Defective in-tank overpressure valve
- Defect in low-pressure sensor
- Defective DME

Sounds like a potential electrical connection / signal issue.....

 Posted: Aug 6, 2020 12:08PM
Total posts: 2
Last post: Aug 7, 2020
Member since:Aug 6, 2020
Cars in Garage: 0
Photos: 0
WorkBench Posts: 0
Hi all, I've been reading on these forums for a while, but this is my first post. I've got a 2010 Clubman S which needed complete timing chain repair and two new valves in the cylinder head, a pretty big job which is out of my league. When the car was finished, they let me know the car had the CEL on with an EVAP code, and likely needed a new leak detection pump. "No problem" I thought to myself, I'll just take care of that when I get the car back.
So, got a new pump, installed it, and...no change. Checked my codes, reading P2418 (EVAP System Switching Valve Control Circuit/Open), and 272A (DMTL diagnosis module tank leakage, magnetic valve, input signal).
OK, so right to the forums, learned that there could be an issue with the wires fraying that lead to the pump. So checked those out, and all look good.
I seem to have reached the end of my capabilities. I wonder if anyone can share some insight as to what else could be the problem here.
Also, one other item, maybe it is odd, maybe it isn't. I found instructions online to change out the pump, which involved removing the charcoal canister. One of the steps was to remove the electrical connection from the front of the charcoal canister box. On mine, there were no wires attached. Would be nice to know from this group if they were intentionally deleted in the 2010 Clubman S.
Thanks!!