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Anonymous Posted on Nov 19, 2011

P0722 FAULT CODE - 1999 Volvo C70

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Brad Kirby

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  • Master 547 Answers
  • Posted on Nov 19, 2011
Brad Kirby
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P0722: Transmission speed signal missing.

There is a turbine speed sensor that detects and reports the speed of the transmission shaft to the computer to help determine shift points. Sometimes this duty is shared by the VSS (vehicle speed sensor) but if your speedometer still works, then the VSS is good and you should replace the TSS (turbine speed sensor). I would guess you are either stuck in 1st gear all the time or your transmission shifts erratically.

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I put the computer on my volvo v70 n i have this code ..p0460,p1618,p0722,p1550 and i like to know what r they and how can i fick them cuz i need to pass the inspection to get it register . in the dasboard...

Per other sites I've seen these 2 codes p1618,p0722, are your ABS module. It can be taken out and re soldered and will work fine. Many Volvo mechanics know how to do this or you can find a repair service on Ebaymotors possibly. My guy charges me $150. Supposedly you can even drive the car without the module installed but you won't have abs so don't expect to stop as you usually would with a correctly working ABS. Your tires will now skid old school instead of the abs module taking over and pullsing your brake pedal, etc.
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code po722 output speedsensor circuit malfunction.code po741 torque converter clutch circuit performance or stuck off.you can fix it if you have some basic mechanic skills.
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