VOLVO Speed Sensor

I am experiencing the same problem. My speedo is inop and 1500rpm max. All was fine yesterday. This morning I installed a power inv. and this afternoon no speedo and a check ecu warning. I used the trucks diagnostic menu to find a communication error. Could I have caused damage to the computer by connected the pwer inv. or did the sensor go bad just sitting? Can I test the sensor?

 

Sounds fishy to me.......I've replaced thousands of gearbox sensors in my time and never had one break off.....seized stubborn or otherwise......Sounds more like another Volvo workshop to be avoided at all costs

 

Are you sure you got the polarity right on the inverter?

 

Polarity is correct.

 

Raising this one from the dead. Did the fix solve this for you? Have a truck with all these same symptoms. Works fine about half the time though.

 

A lot of these sensors are located after the output seal so they are in the elements. They do swell and get stuck and you have to find some way to get them out. Drilling is one way. Had to do more than one this way. The O-Ring isn't used if it is located after the seal.

 

Does anyone know exactly where the cruise control sensor is located on a 2004 volvo super 10?

 

Pablo, I have a Volvo 06. 630 10 speed.
I've lost my speed. The maximum is 50 m/h.
A friend replaced the pump that cleans the windshield wipers.
After it, I started experiencing the speed problem.
Never I had this problem before.
What could it be?

 

usually wiring

What engine do u have?

 

Volvo motor.
In the past I had speedometer issue along with engine brake and cruise control.
I changed the speed sensor located on the tail of the transmission and everything was fixed.
A few months later I lost power and replaced the EGR sensor and power came back.
But now I lost most of the power and no codes appear on the computer.
Don't know what to do.