Mastering Your GMC Truck's Transmission Shift Points: Boost Performance & Efficiency
Tyler SpanglerAdjusting the transmission shift points on your GMC truck involves modifying the engine RPM levels at which the transmission shifts gears, managed by the transmission control module (TCM). Accessing your TCM settings can be done through a sequence involving the key, gas pedal, and brake. Fine-tuning the shift points using the steering wheel controls can enhance performance by delaying shifts for more power or improve fuel economy by promoting earlier shifts. Personalized adjustments can also align the truck's shifts with your driving style. However, caution is advised as drastic changes can impact fuel economy and engine wear. For expert assistance, contacting specialists like TTS is recommended to optimize your truck's performance and ensure its longevity.
