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2000 C70 HT 2.3 ECU/TCU

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

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subzerocarfanatic
Posts: 69
Joined: Sat Oct 19, 2019 6:41 pm
Year and Model: 2000 Volvo C70 HT
Location: NM
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subzerocarfanatic

2000 C70 HT 2.3 ECU/TCU

Post by subzerocarfanatic » Sat Nov 02, 2019 11:25 am

I am still tracing wires trying to find why i'm not getting 12 volts to my injectors or MAF sensor wiring plugs while the key is on. I am up to the ECU area in the wiring harness, I removed the top cover and there is only the ECU and the slot for the TCU is empty, is this normal for my model Volvo, mine is a 2000 Volvo C70 HT 2.3 with the 5 speed manual transmission. Thanks for any insight anyone can give.



User avatar
subzerocarfanatic
Posts: 69
Joined: Sat Oct 19, 2019 6:41 pm
Year and Model: 2000 Volvo C70 HT
Location: NM
Has thanked: 3 times
Been thanked: 0
United States of America
subzerocarfanatic

Re: 2000 C70 HT 2.3 ECU/TCU

Post by subzerocarfanatic » Sat Nov 02, 2019 12:14 pm

My ECU appears to be the BOSCH H6.2, Is that what comes stock i n my car, just wondering because I want to eliminate all possible issues, was thinking if it was ever changed out for whatever reason that the used ETM built by XemodeX might no sync up with my car if it has been switched at some point, but it did run and drive when i bought it, just with issues.



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