What does the TCM send to the ECM?
The TCM sends signals to the ECM concerning required engine rpm, required engine torques, warning indicators in the combination meter, DTCs and other data. The ECM sends signals to the TCM concerning engine rpm, opening angles of the throttle valve, temperature of intake air, temperature of engine coolant, engine torques and other data.
Where is the TCM located in a car?
While swapping out a box might seem simple, the TCM is located inside the transmission in many modern cars, trucks, and SUVs. Opening the transmission is a laborious task, which is why it is reasonable to expect labor costs of at least $300 to replace the transmission control module.
What does a Transmission Control Module ( TCM ) do?
Your vehicle’s transmission control module (TCM) is like a tiny computer. It has the important job of interpreting electrical sensor output of components in an engine with an automatic transmission . What is a Transmission Control Module?
Why is my TCM not communicating with efilive?
Yeah TCM is tuned. Put efilive on truck probally 9 months ago and have had zero issues with the way things have been tuned. Tried tuning TCM back to stock but wasn’t able to since TCM wouldn’t communicate with efilive on my laptop Yeah TCM is tuned.
While swapping out a box might seem simple, the TCM is located inside the transmission in many modern cars, trucks, and SUVs. Opening the transmission is a laborious task, which is why it is reasonable to expect labor costs of at least $300 to replace the transmission control module.
How does the Transmission Control Module ( TCM ) work?
The TCM gathers readings from various sensors placed on the vehicle and data supplied by the engine control unit (ECU) and shifts the transmission gear automatically. It also checks the transmission for any signs of issues and will warn the driver if it uncovers any problems.
Is there a problem with my AutoZone TCM?
Autozone said the same thing, No communication with TCM. New TCM installed and flashed at dealership was $850. No problems since then and that was ~6months ago.