2009 Dodge Ram 2500 Pickup Owner Manual - Page 347

STARTING AND OPERATING 345 • Each time the ignition is turned ON, the ESP System will be ON even if it was turned off previously. • The ESP Control System will make buzzing or clicking sounds when it is active. This is normal. The sounds will stop when ESP becomes inactive following the maneuver that caused the ESP activation. TSC (Trailer Sway Control) The TSC system uses sensors in the vehicle to recognize an excessively swaying trailer and will take the appropriate actions to attempt to stop the sway. The system may reduce engine power and apply the brake of the appropriate wheel(s) to counteract the sway of the trailer. TSC will become active automatically once an excessively swaying trailer is recognized. No driver action is required. Note that TSC cannot stop all trailers from swaying. Always use caution when towing a trailer and follow the trailer tongue weight recommendations. Refer to "Trailer Towing" in Section 5 of this manual for more information on towing a trailer with your vehicle. When TSC is functioning, the "ESP/TCS Indicator Light" will flash, the engine power may be reduced and you may feel the brakes being applied to individual wheels to attempt to stop the trailer from swaying. TSC is disabled when the ESP system is in the Partial Off or Full Off modes. TSC is only active in the default "ESP On" mode. TSC can be disabled by pressing the ESP OFF switch and entering "ESP Partial Off" mode. It is not active in the "ESP Partial Off" or "ESP Off" modes. Please refer to the ESP portion of this section for an explanation of the different ESP operating modes. 5 WARNING! If TSC activates while driving, slow the vehicle down, stop at the nearest safe location, and adjust the trailer load to eliminate trailer sway.