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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1728 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Symptom Troubleshooting And Diagnosis) >> Range Selector Displays Incorrect Range >> Diagnostic Aids

Diagnostic Aids

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

Refer to the Transmission Internal Mode Switch Logic table for valid combinations of switch signal circuits A, B, C and Parity. On the table, HI indicates an ignition voltage signal. LOW indicates a zero voltage signal.