Hyundai Elantra AD Quiz
Automatic Transmission

Transmission Control Module (TCM) Description and Operation

In this manual: Automatic Transmission
General Information — 9Engine Mechanical System — 84Engine Electrical System — 60Emission Control System — 24Engine Control System/Fuel System — 90Automatic Transmission — 92Drive Shaft and Axle — 20Suspension System — 31Steering — 20Restraints — 50Brake System — 63Body (Interior and Exterior) — 214Body Electrical System — 221Heating, Ventilation, and Air Conditioning — 71
~1min read

Description

  • Monitors vehicle operating conditions to determine the optimal gear shift schedule.
  • Performs a gear shift if the current gear setting differs from the determined optimal gear setting.
  • Determines whether to activate the torque converter clutch (D/C) and engages the clutch accordingly.
  • Calculates the optimal line pressure level by continuously monitoring the torque level and adjusting the pressure accordingly.
  • Diagnoses the automatic transmission for malfunctions and failures.

Test yourself

A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.