LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2009 >> Commander Limited, 4.7 P, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P1633-TCM Internal - Test External Watchdog Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. TRANSMISSION CONTROL MODULE 

    Repair 

    • Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the TCM in accordance with the Service Information.
    • Perform NAG1 TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure 
scientia non olet · About LEMON Manuals