Theory Of Operation

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

The AutoStick Switch is integrated into the Shifter Lever Assembly. The gear requested by the AutoStick selection in then sent over the CAN C bus to the TCM to engage the requested gear.

1) SHIFTER LEVER ASSEMBLY

Fig 1: Identifying Shifter Lever Assembly Control Module Terminals
Courtesy of DAIMLERCHRYSLER CORP.

View repair

Repair
1. Using the schematics as a guide, check the Shifter Lever Assembly (SLA) Electronic Shift Module (ESM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Shifter Lever Assembly per the Service Information. Refer to Shift Mechanism for the appropriate service procedures. (Refer to TRANSMISSION/TRANSAXLE/AUTOMATIC - NAG1/SHIFT MECHANISM - REMOVAL)
2. Perform NAG1 TRANSMISSION VERIFICATION TEST .