Diagnostic Test

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TRANSMISSION CONTROL MODULE (TCM)
Repair
- Using the schematics as a guide, check the Transmission Control Module (TCM) terminals 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. Refer to Electrical/Electronic Control Modules/MODULE, Transmission Control - Removal .
- Perform the NAG1 TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure .