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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1056 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0973 To DTC P2764) >> DTC P1684, P1685 or P1686 >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis 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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