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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Automatic Transaxle (DTC P0740 To DTC P1820)) >> Diagnosis >> DTC P0756 (3.6L) >> Conditions for Setting the DTC >> Condition 1

Condition 1

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The TCM commands 1st gear with the transmission OSS 100 RPM or more and the gear ratio indicates 4th gear, 0.65:1 to 0.75:1, for 1 second.

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