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Home >> Jeep >> 2006 >> Commander Base, 3.7 K, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Nag1 Automatic Transmission - Shifter Diagnostics >> Shifter Diagnostics >> DTC Troubleshooting >> P2779-AUTOSTICK Downshift Switch Circuit Performance - ESM >> Diagnostic Test

Diagnostic Test

  1. 1) SHIFT LEVER ASSEMBLY 
    Fig 1: Identifying Shifter Lever Assembly Control Module Terminals
    GC0012586Courtesy of DAIMLERCHRYSLER CORP.

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    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 TRANSMISSION/TRANSAXLE/AUTOMATIC - NAG1/SHIFT MECHANISM - REMOVAL)
    2. Perform NAG1 TRANSMISSION VERIFICATION TEST .
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