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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 271 (Nag1 Automatic Transmission - Shifter Diagnostics) >> Nag1 - Shifter Diagnostics >> DTC Troubleshooting >> P2779-AUTOSTICK Downshift Switch Circuit Performance - ESM >> Possible Causes

Possible Causes

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Possible Causes 
SHIFTER LEVER ASSEMBLY

Perform NAG1 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

The AutoStick Switch is integrated into the Shift Lever Assembly. The gear requested by the AutoStick selection is then sent over the CAN C bus from the Electronic Shift Module (ESM) to the TCM to engage the requested gear.

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