HP Tuners is thrilled to now offer industry-exclusive custom tuning support for the E46 ECM found in 2020-2022 Chevrolet Silverado 1500/GMC Sierra 1500 3.0L Duramax (LM2) trucks (non-Global B vehicles). The E46 ECM must be upgraded in order to use VCM Editor for tuning. Own a 2020+ GM vehicle and need the T93 TCM upgraded, too? See our T93 TCM Services! Shipping address for send-in E46 ECM services: HP Tuners (ATT: E46 ECM Service), 700 Eastwood Ln, Buffalo Grove, IL 60089 Tune your 2020-2022 3.0L Duramax Truck with HP Tuners HP Tuners is thrilled to offer exclusive custom tuning capabilities for the GM E46 ECM. This ECM is found in 2020-2022 Chevrolet Silverado 1500/GMC Sierra 1500 3.0L Duramax (LM2) diesel trucks (non-Global B) and requires this service in order to tune the ECM using VCM Editor. This one-time upgrade service upgrades your original E46 ECM. This requires you to remove the original ECM from your truck and send it to our headquarters for servicing. After upgrading, we’ll ship it back to you and you’ll have full access to calibrate and write/flash via the OBDII port using VCM Editor. No reprogramming or relearns required: No IMMO relearn* No crank relearn* No “Replace ECM” function* *As long as the ECM is installed back into the same vehicle it came from. E46 ECM Upgrade: ECM Upgrade Service: $399.99 ECM (E46) License for tuning: (6) Universal Credits (sold separately) Requires MPVI2, MPVI2+, MPVI3, or MPVI4 interface and the latest version of VCM Suite BETA Note: HP Tuners also supports the T93 TCM found in 2020+ GM vehicles. If you own a vehicle with the T93 TCM, see our GM T93 TCM Services.
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