What does TTVA 48re do?
What does TTVA 48re do?
This TTVA controls Throttle pressure and shift feel and timing. This motor will not fix electrical wiring problem or transmission internal issues with transmission.
What does a transmission Throttle Valve Actuator do?
1. TRANSMISSION THROTTLE VALVE ACTUATOR – The TTVA consists of an electronic DC motor, which has two potentiometers and a gear driven system that controls the Throttle Valve in the valve body, for shift timing, passing gear below 4th gear and pressure control.
How do I reset my TTVA 48re?
Registered. I have always reset the TTVA motor by turning the key on, pressing and holding the accelerator pedal to the floor for 30-45 seconds (some trucks will flash the check engine light and sound the chime when it’s done), letting up, and then turning the key off.
What is code P1749?
P1749 Meaning With the engine running in gear at cruise speed and the Powertrain Control Module (PCM) detects that the Torque Converter Clutch (TCC) circuit failed low.
What is a transmission throttle valve?
Definition. The transmission throttle, a mechanism that manages the flow of fluid, contains a butterfly valve. This valve opens or closes to either allow or obstruct the passage of air or fluid and converts line pressure, which is directed to valves in the transmission.
What is throttle valve actuator?
In cars with electronic throttle control (also known as “drive-by-wire”), an electric actuator controls the throttle linkages and the accelerator pedal connects not to the throttle body, but to a sensor, which outputs a signal proportional to the current pedal position and sends it to the ECU.
Where is the transmission throttle valve actuator located?
The TTVA consists of an electric DC motor, two potentiometers, and a gear drive system. The TTVA is mechanically connected to the transmission throttle valve in the valve body by the “D” shaped opening in the bottom of the TTVA shaft. The Transmission Throttle Valve Actuator (TTVA) does not require any mechanical adjustments.
When to check for codes on the ttva?
Check for codes, only real way to tell. The TTVA is going to go thru a self test cycle when th ekey is turned on so that be what you are hearing. Just replaced the gov. Pressure solenoid and transducer on 06 48re for the same reason.
How to remove a 48RE throttle valve actuator?
CHECK THE TTVA POSITIONS WITH THE TTVA REMOVED 1. Turn the ignition off to the lock position. 2. Remove the TTVA from the transmission per the Service Information. (Refer to 21 – Transmission and Transfer Case/Automatic – 48RE/ACTUATOR, Throttle Valve – Removal) NOTE: Check connectors – Clean/repair as necessary.
When did Dodge start using a transmission throttle valve actuator?
Default Description: In 2005, Dodge started using a transmission throttle valve actuator (TTVA) instead of the TV cable on the 48RE diesel 2500 and 3500 Ram trucks. The TTVA is moun
Is there a way to adjust the ttva?
There are no adjustments for the TTVA, but it needs to be initialized when replaced or removed, and reinstalled on the transmission. To initialize the TTVA, turn the ignition to the “on” position for 30 seconds, which is the amount of time the ECM needs to perform the internal calibration procedures and find the current “zero” position.
CHECK THE TTVA POSITIONS WITH THE TTVA REMOVED 1. Turn the ignition off to the lock position. 2. Remove the TTVA from the transmission per the Service Information. (Refer to 21 – Transmission and Transfer Case/Automatic – 48RE/ACTUATOR, Throttle Valve – Removal) NOTE: Check connectors – Clean/repair as necessary.
Check for codes, only real way to tell. The TTVA is going to go thru a self test cycle when th ekey is turned on so that be what you are hearing. Just replaced the gov. Pressure solenoid and transducer on 06 48re for the same reason.
