Code Definition

P0741 — Torque Converter Clutch Circuit Performance or Stuck Off

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0741

P0741 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P0741 is stored, the module has detected a plausibility fault — the measured value is in the electrical range but is not consistent with expected operating behaviour.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0741 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The fault code P0741 is set when the Transmission Control Module (TCM) detects an issue with the performance of the torque converter clutch (TCC) circuit, indicating that the clutch is not functioning as expected or is stuck in the off position. This condition is typically identified during a specific drive cycle and might indicate that the TCC is not able to engage, disengage, or is providing insufficient or excessive torque conversion.

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