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Diagnostic Test

  1. SHIFT LEVER ASSEMBLY 

    Repair 

    • 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 in accordance with the Service Information. Refer to SHIFTER, TRANSMISSION, REMOVAL .
    • Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to NAG1 TRANSMISSION VERIFICATION TEST .
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