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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Automatic Transmission - 6L90 (MYD) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0741 or P0742 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

P0741 

TCC Slip Speed = Greater than 130 RPM - For greater than 5 s

The above condition(s) must occur 2 times.

Torque Converter ClutchPressure = Greater than 750 kPa (109 PSI) - For greater than 5 s

P0742 

TCC Slip Speed = -50 to 13 RPM

The above condition(s) must occur 2 times.

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