What causes an engine code of p0793?
Causes for this P0793 engine code may include: Defective or damaged Intermediate shaft speed sensor Electrical fault in the wires between the speed sensor and modules used Other related sensors/solenoids damaged or defective (e.g.: Input shaft speed sensor, Output shaft sensor, Shift solenoid etc.) Dirty or low automatic transmission fluid (ATF)
What does p0717 input turbine speed sensor circuit no signal trouble code?
If you have a P0717 Input Turbine Speed Sensor Circuit No Signal trouble code, this post will help you understand what it is and how to fix it. The computer wants to know if the transmission is working properly. So it reads the speed of the input shaft and compares it to the speed of the output shaft.
Is the speed sensor on a Toyota p0793 intermittent?
Was originally intermittent, took it to a shop and they replaced the speed sensor with an aftermarket which made the shifting worse and the problem constant. Took it to a second shop and they replaced the same sensor with a OEM sensor but it didn’t fix the problem.
What happens when a TCM speed sensor fails?
Sometimes when the sensor fails, the TCM uses other speed sensors within the transmission and determines a “backup” hydraulic pressure in order to keep the automatic transmission functional but this may vary significantly between manufacturers.
What causes a p0776 transmission code to go off?
Causes for this P0776 transmission code may include: 1 Defective Pressure Control Solenoid 2 Dirty or contaminated fluid 3 Dirty or clogged transmission filter 4 Defective Transmission Pump 5 Defective Transmission Valve Body 6 Restricted hydraulic passages 7 Corroded or damaged connector 8 Faulty or damaged wiring 9 Faulty PCM
When is the p0776 code set by the PCM?
The code P0776 is set by the PCM when the Pressure Control Solenoid “B” is not functioning properly or stuck in the “Off” position.