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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1739 (Automatic Transmission - ALLISON - DTC P0218 To DTC P0878) >> DTC P0741 or P0742 >> Conditions for Setting the DTC >> P0742 Condition 3 Accel/Decel/Accel Condition

P0742 Condition 3 Accel/Decel/Accel Condition

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The TCC is commanded off and an output acceleration event is followed by an output deceleration event and followed by another output acceleration and the expected converter slip is not observed. An output acceleration event occurs when output shaft acceleration is greater than 40 RPM/second for 4 seconds or longer. An output deceleration event occurs when output shaft acceleration is -40 RPM/second for 2.5 seconds or longer.

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