Transmission Control Module (TCM)

2024 Dodge and Ram 1500 TRXSECTION Transmission Control Module (TCM)
WARNING: This page is about a different car, the 2023 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
TRANSMISSION CONTROL MODULE (TCM)

Refer to COMPONENT INDEXΒ .

Inputs

  • Object of interest distance from the DASM
  • Vehicle set and desired speeds from the DASM
  • Gear minimum and maximum range from the ABS module
  • Gear maximum request from the ABS module
  • Cruise Control override from the PCM
  • ACC with Stop and Go active message from the ABS module
  • BCM configuration data indicating the vehicle is equipped with the DASM and the type of ACC in use

Outputs

  • PRNDL status to the ABS module and the DASM
  • Target gear and current gear to the DASM
  • Trans limp home mode status to the DASM
  • Transmission torque ratio to the PCM
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.