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How do you reset the ECU in 95 850 T?

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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broke850
Posts: 2
Joined: 4 March 2006
Year and Model:
Location: Chicago

How do you reset the ECU in 95 850 T?

Post by broke850 »

Just like the heading reads, I need to reset mine. Will a dealership have the number fo the sterio?
thanks
NOOB

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MadeInJapan
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Posts: 13434
Joined: 31 March 2005
Year and Model: '98 S70 T5 '07S40T5
Location: Knoxville, TN American but born in Japan
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Post by MadeInJapan »

It's easy...disconnect the negative battery cable and take it out of its box. Wait about 20 minutes, put it back in and connect the battery back up. Walla...it's reset.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo
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pfeener
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Joined: 19 January 2006
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Location: Massachusetts
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Post by pfeener »

Yes the dealership can get the code to unlock the radio.
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