What does service trailer brake system error message mean?

According to the owner’s manual for a 2015 GMC Sierra, the “Service Trailer Brake System” error message can appear on models equipped with the factory integrated trailer brake controller (ITBC) and represents a problem in the trailer brake module or wiring that will not allow power to be sent to the trailer’s brakes.

How does the trailer brake system work on a Silverado?

The ITBC system is integrated with the vehicle’s brake, antilock brake, and StabiliTrak systems. In trailering conditions that cause the vehicle’s antilock brake or StabiliTrak systems to activate, power sent to the trailer’s brakes will be automatically adjusted to minimize trailer wheel lock-up.

Can you disabled trailer brake system on 2015 GMC?

Hello my dash board is sending me a service for the trailer brake system it’s a GMC 2015 are we ok to drive it with that warning???? Can we disabled that?

Is it okay to drive a trailer with an error message?

It is okay to drive the vehicle with this error message present but you will not want to do any towing until it is fixed. Unfortunately, third party support for the factory integrated trailer brake controller is not in abundance therefore you will need to take the trailer to the dealer for service.

Hello my dash board is sending me a service for the trailer brake system it’s a GMC 2015 are we ok to drive it with that warning???? Can we disabled that?

What does DIC mean for service trailer brake system?

DIC was first showing service battery/charging system; then DIC started reading check trailer brake system (mind you, two separate DIC readings now—first it was the charging system, then the trlr brake system). Checked fuses, alternator, trailer brake module inside car—– put in new battery—seemed like that was it. Dead again.

How can I tell if my trailer brakes are no longer working?

C1114, and display the “Service Trailer Brake System” message on the DIC. This could be an indication that the trailer brakes are no longer functioning. In other cases, when the trailer mounted sway module activates, the vehicle could display the “trailer disconnected” message, indicating that trailer brakes are no longer available.

What should I do if my trailer brake is not working?

It is recommended that you use an OEM or Pollak Heavy Duty 7-Way Trailer Side Connector Adapter. system. If this message persists over multiple ignition cycles there is a concern with the trailer brake system. Take your vehicle to an authorized GM dealer to have the trailer brake system diagnosed and repaired.

What is the control module for trailer brakes?

Control Module (TBCM) system for electric trailer brakes. The power output to brake system. The available power output to the trailer brakes can be adjusted to a wide range of trailering situations. switch signal (hardwired) to determine trailer braking. The user gain allows the driver

What kind of trailer brakes do I Need?

The vehicle may have an Integrated Trailer Brake Control (ITBC) system for use with electric trailer brakes or most electric over hydraulic trailer brakes. If the vehicle’s brake, antilock brake, or StabiliTrak systems are not functioning properly, the ITBC system may not be fully functional or may not function at all.

Can a trailer sensor cause a brake warning?

Matter of fact, with everything interconnected, even the wheel sensor will cause codes with the trailer, or even the tranny. Mine liked to throw the warning when I was towing 10K lbs. at 60 mph. Great feeling wondering if your brakes will work until you can get off the road.

Can a trailer brake system work on a Silverado?

So the trailer brake system can sense if there is a trailer attached. Plenty of problems with the built in trailer brake system, see your dealer. Best is going to the dealer and have the codes read. See what may be happening. My 2016 has had a bunch of problems with the service trailer brake.

How often does the trailer brake module fault?

If the WIRING FAULT ON TRAILER message is only displayed when the trailer is connected the fault is with the trailer wiring. Every 4 seconds (when not braking) the TBC module sends a voltage pulse to pin 3 of the 7-pin trailer tow connector to determine whether or not a trailer is connected.

How does the trailer brake module work on a Ford PowerStroke?

Every 4 seconds (when not braking) the TBC module sends a voltage pulse to pin 3 of the 7-pin trailer tow connector to determine whether or not a trailer is connected. DTC C2806 (Trailer Brake Output Circuit Short to Vbatt) – sets when the TBC module detects that the battery voltage is greater than 9 volts while not braking.

What’s the problem with the trailer lighting module?

Trailer Lighting Module Fault. The right brake/turn signal on my Travel Trailer. Took the trailer to the dealership and Have Ford questions? Ask a mechanic for answers ASAP By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Trailer Lighting Module Fault.

What causes trailer brakes to engage when plugged in?

Corrosion in trailer and/or vehicle plug. Brake signal wire on trailer or vehicle is damaged, exposed wiring is touching metal area. Trailer brakes engage when it is plugged into the vehicle. Incorrect stoplight wire connection. Corrosion in trailer and/or vehicle plug. Adapter wiring does not match OEM connector on vehicle.

What to do if your trailer brakes are not working?

Whether your controller is showing an error message or the trailer brakes just aren’t working, there are a number of troubleshooting techniques you can use to get the problem fixed and get back on the road.

Where do you set the brake on a service trailer?

Some owners may comment of a Service Trailer Brake System message displayed on the DIC. When checking for DTC’s, C1112 or C1114 will be set in the Trailer Brake Control Module (TBCM). This concern may occur with or without a trailer connected to the vehicle.

What is the code for Trailer Brake Control switch?

Had the truck in for service, they found a C1117 code. After some testing the trailer brake control switch was replaced. Part # 84108373. Since the problem has been intermittent, sometimes weeks apart it will be a while before I call the problem solved.

Is there a Silverado service trailer brake system?

To start viewing messages, select the forum that you want to visit from the selection below. Thread: Silverado – Service Trailer Brake System – No Trailer. Silverado – Service Trailer Brake System – No Trailer.

When to have your service trailer brakes serviced?

SERVICE TRAILER BRAKE SYSTEM: This message will display when there is a problem with the ITBC system. If this message continues over multiple ignition cycles, there is a problem with the ITBC system. Have the vehicle serviced.

Are there problems with the built in trailer brake system?

Plenty of problems with the built in trailer brake system, see your dealer. Best is going to the dealer and have the codes read. See what may be happening. My 2016 has had a bunch of problems with the service trailer brake. Not sure it has been resolved, but it has been better after the dealer replaced the trailer plug.

What does service trailer break system message mean?

If you look it up in the manual, the “Service Trailer Break System” indicates an error in the truck intigrated break controller. I just took my truck in to the dealer with this probelm and they said it is a “Known Engineering problem”. First they are replacing a cylinder, if it fails again they will reaplace a board.

How does trailer brake system work on Silverado Sierra?

While towing, it seems as if the brakes are dragging, slowing me down, and killing mileage (7-8 with 1900# v nose). Just checked the truck 7 pin and get .7 volts at the trailer brake pin. Is this normal? why would the truck send voltage with nothing hooked up. So the trailer brake system can sense if there is a trailer attached.

How does the brake sytem work on a GMC?

When the brake pedal is applied, the normally open stop lamp switch closes. The ECM monitors the stop lamp signal circuit through a discrete input and a GMLAN serial data message signal from the BCM indicating the brake status. When both signals indicate the brake pedal is applied, the ECM will disengage the cruise control system.