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Tuners Beware: Ford Has Digital Walls to Prevent People from Altering the Bronco’s Computer

Much like the Jeep Wrangler, the 2021 Ford Bronco is designed with customization in mind. The company is even offering more than 200 accessories for the Bronco when it hits showrooms, but powertrain upgrades might not be possible via aftermarket means. According to Ford, the ECU is very complicated, and, essentially, nobody should be playing around with ECU calibration. That means aftermarket companies might find the new Bronco to be untunable.