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Home >> Ford >> 2012 >> Mustang Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Automatic Transmission - 6R140 (TORQSHIFT(R)6)) -- F250-F550 Super Duty) >> Diagnosis & Testing >> Torque Converter Diagnosis >> Torque Converter Clutch Mechanical Operation Test

Torque Converter Clutch Mechanical Operation Test

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The torque converter clutch (TCC) mechanical operation can be isolated to evaluate clutch function. Using the scan tool and the active command PID the symptom can be eliminated by turning the TCC on or off.

  1. Ignition ON
  2. Enter the following diagnostic mode on the scan tool: PCM (gas) TCM (diesel) DataLogger.
    NOTE: The vehicle must be moving at speeds of 56 km/h (35mph) or higher to enable the active command.
  3. Select the (TCC_OSC) active command. Command the TCC Off.
  4. If the concern is still present, proceed with transmission diagnostics, if the concern is not present replace the torque converter.
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