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Home >> Cadillac >> 2017 >> Escalade ESV Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Automatic Transmission - 6L80 (MYC) Or 6L90 (MYD) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Tow/Haul Switch/Indicator Always On or Inoperative >> Circuit/System Description

Circuit/System Description

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The Tow/Haul Mode indicator bulb on the instrument cluster is supplied 12 volts and ground by the instrument cluster module. When the Tow/Haul mode is selected, the body control module will send a request on the serial data communication line to the instrument cluster module to turn ON the Tow/Haul indicator. Pressing and releasing the Tow/Haul Switch again will turn OFF the indicator and return the transmission to normal shifting.

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