2005 Tow command bulletin

[L8 APEX]

Those of you with 2005 F250-350 trucks with the Tow Command option built before March of 2005 is effected. The factory brake controller has been upgraded to a unit that works better at low speeds. The service bulletin number is:
SSM-18537
The replacement controller is:
5C3Z-2C006-AA

[LS1 Eater]

Those of you with 2005 F250-350 trucks with the Tow Command option built before March of 2005 is effected. The factory brake controller has been upgraded to a unit that works better at low speeds. The service bulletin number is:
SSM-18537
The replacement controller is:
5C3Z-2C006-AA


Thanks for the info Terry.

[Moonshine]

Terry, IIRC wasn't yours built in Oct '04? Guess you're affected?

[03LightningRocks]

Mine is screwed up. The damn thing is comming on with no trailer on the truck.

[L8 APEX]

The first brake controllers did not apply much power below 15mph so you could back up more freely without fighting the trailer brakes etc. Some drivers complained about stop light to stop light stopping effort and they revised to put out full power at all speeds. I like mine and am in no hurry to get it replaced as I am sure the dealer will screw up something else in the process:rolleyes:

[L8 APEX]

More:


2005 F-Series Super Duty Factory Trailer Brake Controller Tips: Diagnosis procedures for the Towcommand system is in the workshop manual, section 206-10, Auxiliary Brake System. All voltage tests sould be made with the controller at the maximum gain setting of 10.0. Brake controller output voltage increases with vehicle speed. In park with the controller fully applied manualy, the output voltage on trucks built before 3-23-05 should be greater than 1-3 volts; after 3-23-05 greater than 10-12 volts. Controller output with the brake pedal is the same for either build dates. Full voltage is only available above 15 MPH. The Towcommand system works in both forward and reverse. Broadcast Message 3286, 4312.