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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 342 ((Electronic Shift Module (ESM) - Electrical Diagnostics)) >> DTC Troubleshooting >> P2779-AUTOSTICK Downshift Switch Circuit Performance (Column Shift) >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

The AutoStick® Switch is located at the end of the Shift Lever. The gear change is requested by pressing the AutoStick Enable button, then either selecting the Upshift or Downshift on the rocker switch. The ESM then transmits the previous information over the CAN C bus to the TCM to engage the requested gear.

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