2019 - 2022 Chevrolet Silverado Suburban Tahoe & GMC Sierra Yukon 5.3L & 6.2L Mail Order Tuning
2019 - 2024 Chevrolet Silverado and GMC Sierra 5.3L and 6.2L V8
2021 - 2023 GMC Yukon/Yukon XL 5.3L and 6.2L V8
2021 - 2023 Chevrolet Suburban/Tahoe 5.3L and 6.2L V8
2021 - 2023 Cadillac Escalade 6.2L V8
E90 (L84/L87) and E93 (L8T)
GM T87A TCM
GM T93 TCM
GenV
6, 8, 10 speed automatic
5.3L gains: up to +28 ft-lbs torque, +20 horsepower (peak gains of up to 24 ft-lbs torque, +19 horsepower)
6.2L gains: up to +45 ft-lbs torque, +22 horsepower (peak gains of up to 31 ft-lbs torque, +16 horsepower)
Improved power assists with towing and support other modifications (larger wheels/tires)
Ewalt’s Auto Tuning is excited to offer a software recalibration (reflash) for the 2019--2022 Chevrolet Silverado and GMC Sierra. This update is available for models equipped with the 5.3L V8 or 6.2L V8 engines, paired with the 8-speed, 10-speed, or 6-speed automatic transmissions. We support 2WD, 4WD, and AWD variants. Customers can expect gains of up to 45lb-ft of torque and 19 horsepower over the standard factory calibration, with no additional vehicle modifications required beyond this software update.
Premium fuel is recommended for maximum power output, but not required.
You must send in your ECM and TCM. Expect a lead time of 1 to 2 weeks for the modules to be unlocked for programming.
ECM (Engine Control Module) modification is REQUIRED.
NOTE: Please DO NOT ship the ECM with the retaining bracket attached.
Any package contents besides the ECM will be discarded, including brackets, harnesses, etc.!
2019 - 2024 Chevrolet Silverado and GMC Sierra 5.3L and 6.2L V8
2021 - 2023 GMC Yukon/Yukon XL 5.3L and 6.2L V8
2021 - 2023 Chevrolet Suburban/Tahoe 5.3L and 6.2L V8
2021 - 2023 Cadillac Escalade 6.2L V8
E90 (L84/L87) and E93 (L8T)
GM T87A TCM
GM T93 TCM
GenV
6, 8, 10 speed automatic
5.3L gains: up to +28 ft-lbs torque, +20 horsepower (peak gains of up to 24 ft-lbs torque, +19 horsepower)
6.2L gains: up to +45 ft-lbs torque, +22 horsepower (peak gains of up to 31 ft-lbs torque, +16 horsepower)
Improved power assists with towing and support other modifications (larger wheels/tires)
Ewalt’s Auto Tuning is excited to offer a software recalibration (reflash) for the 2019--2022 Chevrolet Silverado and GMC Sierra. This update is available for models equipped with the 5.3L V8 or 6.2L V8 engines, paired with the 8-speed, 10-speed, or 6-speed automatic transmissions. We support 2WD, 4WD, and AWD variants. Customers can expect gains of up to 45lb-ft of torque and 19 horsepower over the standard factory calibration, with no additional vehicle modifications required beyond this software update.
Premium fuel is recommended for maximum power output, but not required.
You must send in your ECM and TCM. Expect a lead time of 1 to 2 weeks for the modules to be unlocked for programming.
ECM (Engine Control Module) modification is REQUIRED.
NOTE: Please DO NOT ship the ECM with the retaining bracket attached.
Any package contents besides the ECM will be discarded, including brackets, harnesses, etc.!
2019 - 2024 Chevrolet Silverado and GMC Sierra 5.3L and 6.2L V8
2021 - 2023 GMC Yukon/Yukon XL 5.3L and 6.2L V8
2021 - 2023 Chevrolet Suburban/Tahoe 5.3L and 6.2L V8
2021 - 2023 Cadillac Escalade 6.2L V8
E90 (L84/L87) and E93 (L8T)
GM T87A TCM
GM T93 TCM
GenV
6, 8, 10 speed automatic
5.3L gains: up to +28 ft-lbs torque, +20 horsepower (peak gains of up to 24 ft-lbs torque, +19 horsepower)
6.2L gains: up to +45 ft-lbs torque, +22 horsepower (peak gains of up to 31 ft-lbs torque, +16 horsepower)
Improved power assists with towing and support other modifications (larger wheels/tires)
Ewalt’s Auto Tuning is excited to offer a software recalibration (reflash) for the 2019--2022 Chevrolet Silverado and GMC Sierra. This update is available for models equipped with the 5.3L V8 or 6.2L V8 engines, paired with the 8-speed, 10-speed, or 6-speed automatic transmissions. We support 2WD, 4WD, and AWD variants. Customers can expect gains of up to 45lb-ft of torque and 19 horsepower over the standard factory calibration, with no additional vehicle modifications required beyond this software update.
Premium fuel is recommended for maximum power output, but not required.
You must send in your ECM and TCM. Expect a lead time of 1 to 2 weeks for the modules to be unlocked for programming.
ECM (Engine Control Module) modification is REQUIRED.
NOTE: Please DO NOT ship the ECM with the retaining bracket attached.
Any package contents besides the ECM will be discarded, including brackets, harnesses, etc.!
Just some of the things we can do:
Fan 1 and 2 Temperature On and Off Change
90 second fan on at key-off (this feature activates when engine coolant is (Your Thermostat Temp) degrees or greater)
Delete VATS
AFM\DOD Disable
Change Axle Ratio
Change Tire Size
Remove speed limiter
Remove torque management - Torque abuse modes are modified to eliminate bog at launch
Remove unused engine codes (Leave in notes what you need turned off)
Emissions Removal For "NOT FOR STREET" rear O2, Cat, EVAP, EGR.
Remove throttle lag
Fueling modified for WOT (Wide Open Throttle) performance
Timing modified for WOT performance
Raised rev limiter
Raised shift points
Removes lag by changing downshift tables
Transmission line pressure increased
PE engagement adjusted to reduce KR
Torque converter lockup tables modified to improve transmission life and eliminate converter lockup hunting
Enable E85 Flex Fuel
GM E90/E93 ECM
E90 ECM: 2019-2022 Chevrolet Silverado & GMC Sierra, 5.3L & 6.2L V8 (L84/L87) (pre-facelift trucks) (non-Global B)
E93 ECM: 2020-2023 Chevrolet Silverado & GMC Sierra, 6.6L (L8T) & 2021.5 Silverado/Sierra 1500 5.3L
Note: Only 2019-2022 E90 ECMs are currently accepted. These include 2019 – 2022 Serv# 12690388, 12703685, 12711852, and 12725132.
GM E90 ECM Service (Global B)
2022.5-2024 GMC Sierra 1500 5.3L and 6.2L V8
2022.5-2024 Chevrolet Silverado 1500 5.3L and 6.2L V8
2021-2023 GMC Yukon/Yukon XL 5.3L and 6.2L V8
2021-2023 Chevrolet Suburban/Tahoe 5.3L and 6.2L V8
2021-2023 Cadillac Escalade 6.2L V8
GM T93 TCM
2019+ GM vehicles equipped with 8 and 10-speed transmissions
GM T87A TCM
Supported GM vehicles with the 6-speed transmission and T87A TCM:
2015-2016 GM 2500HD/3500HD (6.6L LML)
2017-2019 GM 2500HD/3500HD (6.6L L5P)
Supported GM vehicles with the 8-speed transmission and T87A TCM:
2017-2019 Chevrolet Silverado
2017-2019 Chevrolet Colorado
2017-2019 Chevrolet Corvette
2017-2019 Chevrolet Camaro
2017-2019 Cadillac Escalade and Escalade ESV
2017-2019 Cadillac ATS, ATS-V, CTS, CT6, and CTS-V
2017-2019 GMC Sierra, Yukon, Yukon XL, and Yukon Denali XL
2017-2020 Chevrolet Suburban
2017-2020 Chevrolet Tahoe
2017-2019 GMC Canyon
Supported GM vehicles with the 10-speed transmission and T87A TCM:
2017-2018 Chevrolet Silverado 1500
2017-2018 GMC Sierra 1500
2017-2019 Chevrolet Colorado
2017-2019 Chevrolet Corvette
2017-2019 Chevrolet Camaro
2017-2019 Cadillac Escalade and Escalade ESV
2017-2019 Cadillac ATS, ATS-V, CTS, and CTS-V
2017-2020 GMC Yukon, Yukon XL, Yukon Denali, and Yukon Denali XL
2017-2020 Chevrolet Suburban
2017-2020 Chevrolet Tahoe
2017-2019 GMC Canyon
2018–2020 Cadillac Escalade