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Old 05-05-2014, 04:37 PM   #1
CMoranRVA
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Default 2015 WRX already ECU issues...

So yesterday my 3 week old 2015 WRX throws a CEL. I pulled the negative battery terminal, reconnected, didn't help.

Took it to the dealer today, the lead technician examined it, said he couldn't find what was wrong, but couldn't clear the code. So apparently someone from Subaru is coming to the dealer tomorrow or Wednesday with the ECU program to reflash.

It's pretty ironic, I'm coming from VW which everyone always claims has the worst electrical issues, but I never had a single one on my vehicle. Now with just 1,000 miles I have to deal with this crap.
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Old 05-05-2014, 04:47 PM   #2
-vanguard-
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Well now you can mod it.

If they ever tell you the ECU has been reflashed, tell them yep...by you guys.

Look at the cup as half full lol
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Old 05-05-2014, 04:48 PM   #3
Ultimateone
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what was the code?
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Old 05-05-2014, 04:50 PM   #4
CMoranRVA
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Quote:
Originally Posted by Ultimateone View Post
what was the code?
Generic P0606; which was why I pulled the battery and checked the gas cap.
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Old 05-05-2014, 04:51 PM   #5
Gallo2011
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Quote:
Originally Posted by Ultimateone View Post
what was the code?
This.

And how do you know it's an electrical issue?
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Old 05-05-2014, 04:52 PM   #6
thill
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This was one of my concerns about buying a first year car.. The other problem is if there is something wrong it could take weeks to get parts.
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Old 05-05-2014, 04:52 PM   #7
CMoranRVA
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Quote:
Originally Posted by Gallo2011 View Post
This.

And how do you know it's an electrical issue?
I was being a little too broad in my use of the term "electrical".
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Old 05-05-2014, 04:57 PM   #8
Gallo2011
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http://datsc.com/tabid/122/OBD-Error...u/Default.aspx


What does this mean?
OBD Code P0606 refers to
This code is a fairly simple one. It basically means that the PCM/ECM (powertrain/engine control module) has detected an internal integrity fault in the PCM. When this code is activated it should store freeze-frame data that helps someone with an advanced code scanning tool to get information on exactly what was going on with the vehicle when the P0606 code was triggered.

Symptoms
Possible sumptoms of OBD code P0606
Most likely the only symptom of a P0606 DTC code is the illumination of the "Check Engine Light" a.k.a. MIL (Malfunction Indicator Lamp).

Causes
Possible causes of OBD code P0606
In all likelyhood the PCM / ECM has failed.

Possible Solutions
As a vehicle owner there is little you can do to fix this code. The most common fix for a P0606 code is to replace the PCM, although in some cases re-flashing the PCM with updated software could possibly fix this. Be sure to check for TSB's on your vehicle (Technical Service Bulletins). In all likelyhood the fix is to replace the PCM. This is generally not a "do-it-yourself" task, although in some cases it may be. We strongly recommend you have a qualified repair shop / technician do the work, one that has the capability to reprogram the new PCM. Installing the new PCM may involve using special tools to program the vehicle's VIN (vehicle identification number) and/or anti-theft information (PATS, etc.). NOTE: This repair may be covered under the emissions warranty so be sure to check with your dealer as this may be covered beyond the bumper-to-bumper or powertrain warranty period.
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Old 05-05-2014, 04:59 PM   #9
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should've bought the 2015 STi Terminal Edition.
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Old 05-05-2014, 05:00 PM   #10
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beta testers make it easier on the late adopters.
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Old 05-05-2014, 05:02 PM   #11
CMoranRVA
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You can get a P0606 for all kinds of issues, I've seen them on loose gas caps.

As mentioned, the technician said the data didn't indicate anything wrong, he just can't reset the ECU for some reason or another.
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Old 05-05-2014, 05:45 PM   #12
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Quote:
Originally Posted by -vanguard- View Post
Well now you can mod it.

If they ever tell you the ECU has been reflashed, tell them yep...by you guys.

Look at the cup as half full lol
+1. Make sure to get written documentation of the ECU reflash.
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Old 05-05-2014, 05:58 PM   #13
Vertiay
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Happened on my wifes 14 Forester 2.0XT. They reflashed it and it never came back on. It would throw the light, disable cruise control and default to and stay in sport mode.
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Old 05-05-2014, 06:45 PM   #14
CMoranRVA
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This definitely wasn't "sport" mode. No boost, and rode like crap.
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Old 05-05-2014, 10:48 PM   #15
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Quote:
Originally Posted by isotopesope View Post
should've bought the 2015 STi Terminal Edition.
Lol. Oh my goodness.

To the OP. Good luck. Eager to hear what shakes out.
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Old 05-05-2014, 10:58 PM   #16
ltd.wrx_Matt
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Quote:
Originally Posted by -vanguard- View Post
Well now you can mod it.

If they ever tell you the ECU has been reflashed, tell them yep...by you guys.

Look at the cup as half full lol
Pretty sure the ecu shows the date it flashed. So that wouldn't hold up when they see it reflashed two days before bringing a car in for warranty work
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Old 05-05-2014, 11:40 PM   #17
-vanguard-
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Quote:
Originally Posted by ltd.wrx_Matt View Post
Pretty sure the ecu shows the date it flashed. So that wouldn't hold up when they see it reflashed two days before bringing a car in for warranty work
Oh, I thought it just showed if it was ever flashed.
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Old 05-06-2014, 12:24 AM   #18
SeeeeeYa
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Here is some more information about the p0606 code:
Attached Images
File Type: jpg DTCp0606-072334-07-75-13[1].jpg (106.8 KB, 91 views)
Attached Files
File Type: pdf 071679-SB.07.03.13-FM5BatteryP0606codeUPDATED.pdf (129.5 KB, 36 views)
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Old 05-06-2014, 12:45 AM   #19
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Quote:
Originally Posted by CMoranRVA View Post
You can get a P0606 for all kinds of issues, I've seen them on loose gas caps.

As mentioned, the technician said the data didn't indicate anything wrong, he just can't reset the ECU for some reason or another.

ive been here since 2002 and read MOST of the technical forums since....


and i do NOT remember ever seeing the p0606 code discussed....and i know of all the codes that can come up from a loose gas cap and the p0606 code isnt one of them.

is supect a bad plug at the ecu or a pinched wire, maybe...or the ecu is, in fact, bad
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Old 05-06-2014, 01:25 AM   #20
steviey_bc
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did they try clearing memory 2 in the obd section of the ssm3?

seen this code several times for newer vehicles that have been dead/jump started/tried to jump start.
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Old 05-06-2014, 04:26 AM   #21
mrz415
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a 2015 already with ECU issues ...
like the previous poster I traded in a VW for a Subaru in fear of the electric gremlins ...

but then again with all first year model cars I expected issues ...
just not software/electrical issues...
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Old 05-06-2014, 04:30 AM   #22
HinshawWRX
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If the ECU failed you will get a new one. If they flash it then they flash it. Neither of these afford you to be able to mod the ECU without issue.
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Old 05-06-2014, 09:40 AM   #23
rocketperson7
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Fwiw, there is no time stamp on the rom, and no flash counter

Assuming theyre using the same 32bit Renesas processor

If you pull YOUR stock rom, then flash it back on later, nobody will know the difference

If you put a generic stock rom back on (like from Cobb) then the checksums are still likely different, then Subaru can tell easily (in the hands of a techno savvy technician)
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Old 05-06-2014, 09:57 AM   #24
thill
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Quote:
Originally Posted by rocketperson7 View Post
Fwiw, there is no time stamp on the rom, and no flash counter

Assuming theyre using the same 32bit Renesas processor

If you pull YOUR stock rom, then flash it back on later, nobody will know the difference

If you put a generic stock rom back on (like from Cobb) then the checksums are still likely different, then Subaru can tell easily (in the hands of a techno savvy technician)
The ECU tracks mileage since it has been flashed. So yes, Subaru could use mileage as a grounds warranty dismissal. There is an EDR on the 2015's and Subaru does state this in their manual for the 2015's (they did not for previous gen). So the assumption, until validated, should be that Subaru can track if you flash your ECU:

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Old 05-06-2014, 11:15 AM   #25
MaddMax
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Quote:
Originally Posted by thill View Post
The ECU tracks mileage since it has been flashed. So yes, Subaru could use mileage as a grounds warranty dismissal. There is an EDR on the 2015's and Subaru does state this in their manual for the 2015's (they did not for previous gen). So the assumption, until validated, should be that Subaru can track if you flash your ECU:

Good post and this is something entirely new to the Subaru owners manual. It certainly appears that Subaru has devised a way to record parameters that are operating outside of specified limits including perhaps boost.
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