2009 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 259
2009 Chevrolet Silverado 1500 Regular Cab Manual
Page 259 highlights
SERVICE TRAILER BRAKE SYSTEM On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message displays and a chime sounds when there is a problem with the ITBC system. When this message displays, power is no longer available to the trailer brakes. As soon as it is safe to do so, carefully pull your vehicle over to the side of the road and turn the ignition off. Check the wiring connection to the trailer and turn the ignition back on. If this message still displays, either your vehicle or the trailer needs service. See your dealer/retailer. See "Integrated Trailer Brake Control System" under Towing a Trailer on page 4-50 for more information. or if you are driving in extreme off-road conditions and require more wheel spin. See If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow on page 4-30. To turn the StabiliTrak system on or off, see StabiliTrak® System on page 4-6. There are several conditions that can cause this message to appear. • One condition is overheating, which could occur if StabiliTrak® activates continuously for an extended period of time. • The message also displays if the brake system warning light is on. See Brake System Warning Light on page 3-42. • The message could display if the stability system takes longer than usual to complete its diagnostic checks due to driving conditions. STABILITRAK OFF If your vehicle has StabiliTrak, this message displays when you turn off StabiliTrak, or when the stability control has been automatically disabled. To limit wheel spin and realize the full benefits of the stability enhancement system, you should normally leave StabiliTrak on. However, you should turn StabiliTrak off if your vehicle gets stuck in sand, mud, ice, or snow and you want to rock your vehicle to attempt to free it, • The message displays if an engine or vehicle related problem has been detected and the vehicle needs service. See your dealer/retailer. • The message also displays if the vehicle is shifted into 4LO. The message turns off as soon as the conditions that caused the message to be displayed are no longer present. 3-73