TorqueMech Beta
TorqueMech OBD Code Guide

P0740 - Torque Converter Clutch Circuit Malfunction

TCC control problem detected.

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Code Meaning

TCC control problem detected.

Common Causes

TCC solenoid issue
Wiring issue
Internal transmission issue

Quick Checks

  • Check for shudder/lockup symptoms
  • Scan for related solenoid codes
  • Check fluid condition

Likely Repairs

Use test results to confirm the fault before pricing the repair.

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Related Codes

P0700
Transmission Control System Malfunction
Open ->
P0715
Input/Turbine Speed Sensor Circuit Malfunction
Open ->
P0720
Output Speed Sensor Circuit Malfunction
Open ->
P0741
TCC Performance/Stuck Off
Open ->

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.

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