Painless Performance Products No VATS 12200411 ECM w/ 2002 GEN 3 GM Truck (5.3-4L60e) Tune

Get your LS swap up and running with this Painless 12200411 ECM (60712)! This ECM is intended for LS-swapped GM applications using a 5.3L and 4L60E transmission.

Features and Benefits:
- 12200411 ECM with 2002 Gen 3 truck tune
- VATS removed for simplified startup
- Calibrated for 5.3L and 4L60E combination
- Configured for 3.42 gear ratio and 29” rear tire
- Allows engine to run for custom tuning
- Factory emissions functions remain active
- Ideal baseline for LS swap projects

This ECM is configured for a 3.42 gear ratio and 29” rear tire diameter to provide a solid baseline for startup and drivability. Without the Vehicle Anti-Theft System, your vehicle can start and run without factory security interference.

Please Note: It is designed to get your project operational so you can drive to a local tuner for custom calibration. All factory emissions functions remain active, and a check engine light will be present until final tuning adjustments are completed.

Vehicle Fitment:
- 1964-1972 Chevy Chevelle/El Camino
- 1967-1981 Chevy Camaro
- 1968-1974 Chevy Nova
- 1970-1972 Chevy Monte Carlo
- 1964-1972 Pontiac GTO/ Lemans/ Tempest1960-1987 C10
- 1967-1981 Pontiac Firebird
- 1971-1974 Pontiac Ventura
- 1964-1972 Buick Skylark/ GS/ Special/ Sport Wagon
- 1973-1975 Buick Apollo
- 1964-1972 Oldsmobile Cutlass/ 442/ F-85/ Vista Cruiser
- 1973-1974 Oldsmobile Omega
- 1971-1972 GMC Sprint
- 1964-1969 Beaumont