The Powertrain PCS TCM-2100BC Transmission Control Module is an electronic control unit (ECU) specifically designed for use in HMMWV (Humvee) vehicles equipped with the 6.5L non-turbo engine. It manages the transmission's operations, ensuring proper gear shifts and optimal performance.
- Brand: Powertrain Control Solutions (PCS)
- Part Number: TCM-2100BC (often listed as TCM-21BC or similar variations).
- Compatibility: This module is specifically for HMMWV (Humvee) vehicles that use the 6.5L non-turbo engine.
- Function: The TCM-2100BC serves as the "brain" for the automatic transmission, controlling gear selection, shift points, and line pressure to ensure efficient operation.
- Features: Like other controllers in the PCS 2100 series, it allows for custom programming of shift points and firmness via connected software, and uses a full suite of diagnostic trouble codes. It features an extruded aluminum case, intended for mounting in a dry location or a sealed enclosure.