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Old 07-05-2020, 06:47 AM   #1
jediwill89
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Member#: 516318
Join Date: Jul 2020
Chapter/Region: AKIC
Location: Nassau Bahamas
Vehicle:
2002 Legacy
Silver

Default Manual ECU codes need help

Hey everyone!
I'm trying to diagnose my 2004 Subaru Legacy B4 RSK. It's been having some weird idle issues and tried getting into my ecu but I can't get in. So I did the manual diagnostic mode and read the flashes. The codes are not making sense to me, I'm getting a 19 and 122, from the write up I came across, 19 is injector 6 but I don't have an injector 6 and I can't find code 122.

Can someone help me please?

Videos of ecu codes and idle issue below.


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Old 07-05-2020, 06:57 AM   #2
Mulder
Trust no one
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Member#: 11170
Join Date: Oct 2001
Chapter/Region: Tri-State
Location: NYC
Vehicle:
02 RAV4 MT
15 WRX/11 CRZ

Default

Moved to the proper section, but since this is a US/North America-based forum we don't have your exact model or diagnostic system here. It's strictly OBDII, no flashing out codes here since pre-'96.
You might get some assistance here but you may also want to check on other forums in different countries where the same model was actually sold.
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Old 07-05-2020, 08:46 AM   #3
benflynn
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If u can’t communicate that might be bad ecu, mine went out of 06 forester x, no ac and could not communicate with it
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Old 07-05-2020, 12:22 PM   #4
jediwill89
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Location: Nassau Bahamas
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2002 Legacy
Silver

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If that's the case, I wouldn't get a CEL? Right?
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Old 07-05-2020, 01:02 PM   #5
benflynn
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I didn’t for the ac, I just cooked a ecu and it did throw codes on that input, and I can still read and flash it, so it can go both ways but no communication is a bad sign for sure
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