1999 V70XC I'm stuck - I need ideas. Topic is solved
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ECU Failure in a '99 V70-XC
- misha
- Posts: 5379
- Joined: 7 December 2008
- Year and Model: '97 850 2.5 20v
- Location: Serbia
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Re: 1999 V70XC I'm stuck - I need ideas - MVSolved.
5 speed advantage. 
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS
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precopster
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OK so the challenge to '99 V70/S70 owners is to buy a Vol-FCR setup and tell the interface it's a '98......Lucky should see a steady stream of customers from this one. 
Almost every time I use my OBDII bluetooth adapter (ELM327) on my '00 V70 I get at least 2 or 3 cranks before it starts and then after reading with Dice/Vida it has an immobiliser code stored.
Otherwise first crank starting every time..
Almost every time I use my OBDII bluetooth adapter (ELM327) on my '00 V70 I get at least 2 or 3 cranks before it starts and then after reading with Dice/Vida it has an immobiliser code stored.
Otherwise first crank starting every time..
Current cars VW Transporter 2.5TDI, 2010 XC90 D5 R Design
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shaker_chi
- Posts: 400
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- Year and Model: 94 850, 98 S70T5 M
- Location: Chicago
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I know how you feel Lee. I went through EVERYTHING on my 94 850. I replaced almost every sensor, then I bought a used ECU on ebay for $50 and started right up.
- kallekula
- Posts: 1074
- Joined: 2 March 2014
- Year and Model: S70 2000
- Location: Orange County, CA
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Great news!Ozark Lee wrote:At long last the saga is over.
I shipped the ECU and the parts car ECU to Lucky and had him clone the "new" car into the parts car ECU. Other than the battery being totally dead after months of being parked it starts first time and every time!
I have never had an ECU fail intermittently like that. For that matter, I have never had an ECU fail at all.
I sure am glad to have this one in the done column and it is just in time for the predicted snow storm.
...Lee
Who is Lucky btw?
BMW 540i 2002
S70 Base 2000
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Ozark Lee
- MVS Moderator
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- Year and Model: Many Volvos
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Lucky (Robert Arnold) runs ARD Tuning and they specialize in performance modifications to Volvos. He was with IPD for years and then a couple of years ago - it may have been a bit longer - he started ARD.Who is Lucky btw?
While he specializes in performance modifications to the ECUs, he was also able to clone my stock Bosch ME7 module into another stock ME7 module since the '99 and on cars have the entire identity of car programmed into the ECU and the other CAN bus modules. On the newer cars you can't just swap out one module for the other since all of the immobilizer codes are embedded in the module that was originally in the car.
Even with me sending the module in right before Christmas they turned it around quickly. Good people and good service.
...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe
- abscate
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- Year and Model: 99: V70s S70s,05 V70
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misha wrote:5 speed advantage.
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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rocky_mtn_man
- Posts: 29
- Joined: 31 December 2013
- Year and Model: XC70 1998
- Location: United States
This was 10 years ago, but did you try replacing the fuel pump relay? That can cause a no-start, especially in cold weather.
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