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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 943 (Automatic Transmission - 6L50/6L80/6L90 - DTC P1684 To DTC P2764) >> DTC P1684, P1685 or P1686 >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1684

Transmission Control Module (TCM) Power Up Temperature Sensor Performance

DTC P1685

Transmission Control Module (TCM) Power Up Temperature Sensor Circuit Low Voltage

DTC P1686

Transmission Control Module (TCM) Power Up Temperature Sensor Circuit High Voltage

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