Fleet Vehicle Aftermarket Calibrations Speed Limited to 70 mph Reduced Power With No MIL or Vibration At Idle – 2015-2021 Chevrolet Colorado & GMC Canyon
NHTSA ID Number: 10204457 Manufacturer Communication Number: PIP5830 Summary This Preliminary information communicates concerns created by an aftermarket ECM calibration installed by fleet companies. The Fleet companies install aftermarket ECM calibrations to limit the vehicle speed to approximately 70 mph and reduce the over all power output. This calibration also reduces the engine idle speed and may induce a vibration … Read more