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I can't for the life of me figure out what ECU I have. 99 S70 T5m

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

jimmy57
Posts: 6573
Joined: Fri Nov 12, 2010 9:25 am
Year and Model: 2004 V70R GT, et al
Location: Ponder Texas
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jimmy57

Re: I can't for the life of me figure out what ECU I have. 99 S70 T5m

Post by jimmy57 » Tue Apr 17, 2018 11:13 am

The expertise for modding ECU's gets better daily. Low number/low interest vehicles still have the biggest challenges in finding someone capable of accessing and coding them.
Bravo to the guy that got that auto to manual swap accomplished.

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wizechatmgr
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Year and Model: 1999 V70 XC AWD 2.4T
Location: Albany, NY area
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wizechatmgr

Re: I can't for the life of me figure out what ECU I have. 99 S70 T5m

Post by wizechatmgr » Tue Apr 17, 2018 5:48 pm

I'm guessing they likely flashed the ECU software package from a manual and then handled the immobilizer by clearing & re-adding the keys. I like the franken cars - as long as I'm not the one broken down on the side of the road with it =)
Wisdom requires knowledge as a prerequisite, but knowledge can be developed due to a lack of wisdom.
In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD - ~187k miles

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