Unlock your 2020–2023 L5P Duramax T93 TCM for tuning access—fast, simple, and compatible with any tuning provider. Send in your TCM (or a core you’ve sourced), and PPEI will unlock it and ship it back—typically within up to 2 business days after it arrives. Why this service Universal compatibility: Works with all tuning providers—this isn’t limited to PPEI calibrations. Hassle-free process: Mail-in unlock with quick turnaround once received. Pro-level readiness: Enables flashing supported calibrations on the T93 module. Pricing (quantity discounts) Quantity Price 1 TCM $200 2 TCM $300 3 TCM $400 4 TCM $500 5 TCM $600 Pricing applies per order based on the number of TCMs you include. What’s included Professional bench unlock of your T93 TCM Post-unlock verification Return shipment of the unlocked unit back to you Compatibility Vehicle/Engine: 2020–2023 GM L5P Duramax Module: T93 Transmission Control Module Tuning: Compatible with PPEI and all other tuning companies How it works (step-by-step) Order the service with the correct quantity for the number of TCMs you’re sending. Remove your T93 TCM (or use a core TCM you’ve sourced). Package & ship the TCM(s) to PPEI with your order number clearly included. PPEI unlocks your TCM(s) within up to 2 business days after they arrive. We ship it back—reinstall and proceed with your preferred tuning provider. FAQs Is this a tune?No—this service only unlocks the T93 TCM to allow flashing supported calibrations. Do I need to use PPEI tunes afterward?No. The unlock is universal and works with any tuning provider. Do you provide core TCMs?This service assumes you’re sending your TCM or a core you’ve sourced. (If you need help, contact support for current options.) Turnaround time?Up to 2 business days after arrival at PPEI, plus return shipping transit time. Shipping detailsYou’re responsible for shipping your TCM(s) to PPEI. We’ll handle the return shipment to you once unlocking is complete.
