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Check engine light is on and diagnatics show the error codes, P0722 and U2108

I believe the first code indicates the transmission speed sensor since I have no speedometer and the car doesn't shift (it's and automatic). Can you tell me what I should check for these 2 codes?

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Definition of Diagnostic Trouble Code U2108 Buick: CAN Bus Error ABS Cadillac: CAN Bus Error ABS Chevrolet: CAN Bus Error ABS GMC: CAN Bus Error ABS Oldsmobile: CAN Bus Error ABS Pontiac: CAN Bus Error ABS Saturn: CAN Bus Error ABS


Definition of Diagnostic Trouble Code P0722 Category: Powertrain Definition: Output Speed Sensor Circuit No SignalNote: This definition of P0722 is applied to all manufacturers

Posted on Jun 27, 2015

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Need the code PO722 for a 2006 ford freestar 3.9


Hope, code PO722 Output Speed Sensor No Signal.
Possible trigger for code,
  • Defective Output Speed Sensor
  • Defective Shift Solenoids
  • Defective Engine Coolant Temperature Sensor
  • Defective Valve Body
  • Dirty transmission fluid that restricts the hydraulic passages
  • Defective Output Speed Sensor wiring or connector
P0722 Ford Output Speed Sensor No Signal
http://www.autozone.com/repairguides/Ford-Freestar-Monterey-2004-2006/Diagnostic-Trouble-Codes/4-2L-V6-VIN-2-Auto-5/_/P-0996b43f802e829c

Aug 27, 2016 | 2006 Ford Freestar

2 Answers

Two codes coming up on car even after fixing alot on car now need to figure out low cost ways to fix P0744 & P0722 code issues spent 1,800 on car & have spent 1,400 already in parts & labor.


you need a better mechanic that traces ALL of the possibilities of each code, not just read the code and trow in a part hoping that it's fixed ~ it can be wiring as well, not just plug in a new part as mentioned on the 2nd trouble code to the vehicle speed sensor

P0744 Torque Converter Clutch Circuit Intermittent


P0722 Output Speed Sensor No Signal

the first of the 2 looks to be more intensive to trace and find out the problem & the 0722 is the easier job for an intermediate mechanic to trace the wiring for continuity

Apr 20, 2015 | Cars & Trucks

1 Answer

My 08 Equinox showing error P0722,only now the check engine light is on


p0722 is the out put speed sensor, which controls the speedometer, threw the ECM. And will cause a limp mode which yo went threw. It could be nothing. If it were mine, I would pull the speed sensor and look at it. If there were slivers of metal on it, I would pull the transmission and find out what is getting chewed up before it just died on me. But I build them. If it just had black/normal wear, I would check to plug for corrosion and the the entire system of the car on a scanner.

Dec 26, 2014 | Cars & Trucks

1 Answer

WHAT IS ERROR CODE p0722


No output speed sensor signal at transmission output shaft.

Jun 27, 2014 | 2011 Chevrolet Aveo

1 Answer

Error code P0722 and P2646. Can these be related? The transmission also slams into drive in the morning, but is fine after it warms up.


Not related, first is a transmission output speed sensor code, check the connector, it's probably the reason you have slamming when it s cold.
second code is for low vtec oil pressure, usually caused by low engine oil or dirty/wrong viscosity oil being used.

Mar 10, 2014 | 2003 Honda Accord

1 Answer

Volvo P0717 Input Speed Sensor


The P0700 is not a true fault code, it just means that the powertrain control module has requested the Transmission control module to turn on the check engine light to alert you of a fault. The P0717 is the one you need diagnosed, it is the real problem,.

Jun 12, 2012 | 2001 Volvo S60

1 Answer

P0722 FAULT CODE


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.

Nov 19, 2011 | 1999 Volvo C70

2 Answers

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.

Oct 28, 2010 | 1999 Volvo V70

1 Answer

Codes p0722 and p0717 what is the problem?


p0722 stands for output speed sensor, this sensor might be in need of replacement, p0717 is for transmission turbine speed sensor, P0717 code comes with the following symptoms: engine cutting out, misfire and hard start after the engine is warmed up. check the coil plugs which is the equivalent of spark plugs except it does not have any plug wires. Start with the mileage and if the engine has over 100k miles, usually the coil plugs are worn. You can check it by checking the coil plug wells on the valve cover. If soaked with oil, the coil plug is normally shot and this goes the same for the valve cover gasket. Apparently, when the valve cover leaks oil, it is deposited in the coil plug well and starts shorting the coil plugs because of the contaminated oil. Note: when changing coil plugs, always replace them ALL as a set.

Jul 02, 2010 | 2003 Suzuki Aerio

4 Answers

The check engine light is on, the ABS, and the traction control light are on. I went and had it put on the diagnostic machine at autozone, the following codes came up P1700 and U2108(twice) autozone could...


The P1700 is just a request for the check engine light, and this is caused by the U2108. The U2108 is basically telling you that the Electronic Brake and Traction Control Module (EBTCM) is not communicating with the powertrain control module, or the transmission control module.
The very first thing we must do is verify that the fuses that power the ebtcm are not blown and that they are powered. At this point I would like you to verify that the fuse labeled ABS in the fuse block is not blown and that it is powered with the key in the on position.
I would also like you to verify that the fuse labeled V1 inthe power distribution box is not burnt and that this is powered also. After this we need to move to the ebtcm to verify that you have voltage at pins 15,17,18 and that you have a ground at 19 and 16.

This would verify that the ebtcm is getting the proper voltage supplies to operate. The end result of this may possibly be a faulty ebtcm, but at this point we really need to check these items prior.Feel free to contact me with any questions at this point! Thanks!

Oct 04, 2009 | 2000 Cadillac Catera

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