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Home >> Chevrolet >> 2008 >> Corvette Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission - 6L50/6L80/6L90 - DTC P09786 To DTC P2764) >> DTC P1684, P1685 or P1686 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different variant/trim than selected.

The transmission control module (TCM) power up temperature sensor is located inside of the control solenoid (w/body and TCM) valve assembly and has no serviceable parts. The TCM power up temperature sensor provides the temperature of the TCM at TCM power up. This temperature reading is used in various shifting and diagnostic routines in the TCM software. This fault is handled inside the TCM and no external circuits are involved.

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