Can you use a 4L80E without a computer?
Can you use a 4L80E without a computer?
The only logical transmission for our 4×4 was the 4L80E four-speed automatic transmission commonly found in 3/4- and 1-ton GM trucks and SUVs. However, the 4L80E can be easily converted to a manually shifted valvebody, which eliminates the need for the computer and much of the electronics and wiring.
What are the signs of a bad transmission control module?
Some common signs of a bad transmission control module include:
- Unpredictable shifting.
- Trouble shifting into higher gear.
- Trouble downshifting.
- Getting stuck in the same gear.
- Poor fuel economy.
- Check engine light comes on.
What does a transmission controller do?
A transmission control module is an electronic mechanism that collects data and processes signals within your transmission in order to regulate the transmission’s gear shifting. Without this mechanism, your transmission wouldn’t be able to shift gears effectively and consistently.
How does the 4l80 transmission control work?
The 4L80E transmission may feature two speed sensors, one for turbine input speed and one for output speed. It uses the Input Speed Sensor to monitor input speeds to compare against engine speed and output Shaft Sensor speed, using this data to adjust shift speeds under instantly detectable conditions.
What is needed to run a 4L80E?
In almost every case, you will need to build (or buy) a new transmission crossmember, a new torque converter, a set of transmission lines, a modified or swap harness, and a modified driveshaft with a larger yoke and crossover U-joint.
What vehicles use the 4L80E transmission?
It was also adopted by Rolls Royce in 1991 and modified after extensive testing, and used initially in the Bentley Continental R, and subsequently other Rolls Royce and Bentley vehicles. The 4L80 and 4L85 were built at Willow Run Transmission in Ypsilanti, Michigan….GM 4L80-E transmission.
| 4L80-E/4L85-E | |
|---|---|
| Overview | |
| Successor | 6L90 |
How do I reset my transmission control module?
Step 7: Ready You are practically done with the procedure. You have actually done the Engine Control Unit (ECU) process along with the Transmission Control Unit (TCM) process. All you need to do now is drive! When done with the TCU as well as ECU programming, you should take your car for a drive.
How much is it to replace a transmission control module?
The replacement cost of a transmission control module will be anywhere from $500 to $900. You can expect the parts costs to be around $450 to $700 while the labor costs will be around $50 to $200.
Where is the transmission control module?
The transmission control module is usually located at the rear of the transmission case, precisely under the cover. It is located below the engine control module. On some models, it can also be found under the hood near the battery or under the interior center console.
How can shift feel be controlled?
Accumulators and their circuits have been used for years as the primary method for controlling shift feel. These components are designed to modify a shift by essentially acting as a shock absorber for the fluid pressure that is applying a clutch, brake or band.
How much horsepower can a 4L80E transmission handle?
In short, Performance Automatic yields a 4L80E engineered to handle 700+ horsepower and comparable torque.
What year did the 4L80 transmission come out?
1991
The 4L80E was first released in 1991 in General Motors C/K trucks, and was still produced for use in new vehicles all the way up until 2013.
Is a 4L60E interchangeable with a 4L80E?
They are different lengths, so they will automatically require different driveshaft lengths. The 4L80E is noticeably larger and longer than the 4L60E. This size difference means that they are not easily interchangeable .
How many speeds is the 4L80E transmission?
The 4L80E transmission is a four speed automatic with torque converter clutch. This is a computer controlled transmission first introduced in G.M. light duty trucks for 1991.
What is a transmission controller?
Transmission Controllers. The transmission control unit (or TCU for short) is responsible for operating certain features in modern automatic transmissions. The TCU performs tasks such as automatic and paddle shifting as well as activating lockup in the torque converter.