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Transmission issues

Help, Advice, Owners' Discussion and DIY Tutorials on the Volvo S80 model. Sometimes called an "executive car", the S80 was and continues to be Volvo's top-of-the-line passenger car.
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Re: Transmission issues

Post by RickHaleParker » Sun May 17, 2020 8:27 pm

NorCalBoy wrote:
Sat May 16, 2020 7:16 pm
So i have a 2002 volvo s80 turbo that is having tranny issues. It only drives in manual 3rd gear. check engine light is on so i cant smog it. code reader is showing these codes. p0700, p0751, p0756 im trying to figure out what i should do?
Pull the connector on the transmission and clean it. Clear the codes see if they come back. Do the same with the TCM.

Check for shorts and opens in the wiring harness. I doubt both solenoid went at the same time and they do share a common ground. If the high side of the two solenoids that would create an ambiguously that would prevent either from operating.
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
Platform P2 2004 S60R, B2524T4, AW50/51 AWD, B8444S TF80 AWD, Bosch Motronic 7.0, BorgWarner K24 turbocharger. V8 conversion in progress.

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Re: Transmission issues

Post by NorCalBoy » Sun May 17, 2020 11:06 pm

MoVolvos thank u. I will do what u suggest and read over all the posts and links.

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