2017-2023 Duramax Peakside EZ-Lynk TCM Tuning (No Engine Tuning)

Note: This is TCM tuning only, with no engine (ECM) tuning, and it can run without Peakside's engine tuning. Requires an EZ-Lynk AutoAgent. Already buying a Peakside L5P EZ-Lynk engine package? Add our TCM Tuning Add-On instead.

TCM tuning for the T87A and T93A Global A platform on EZ-Lynk. There is no need to swap or unlock your TCM, these files flash right in. Peakside's TCM tuning greatly improves how your Allison drives by adjusting shift points and line pressure and increasing holding capacity.

Part Number: PEAK-L5P-EZLNK-TCM-NOECM

• Adjusted shift points
• Adjusted line pressure
• Increased holding capacity
• No TCM swap or unlock needed

Delivery/Revisions: calibrations are handled first come, first served, and most are done within 24-72 hours. Revisions are requested by email. Wrong device or vehicle information given after the tune is written will result in a fee to revise.

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