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C1117 - Manual Trailer Brake Apply Request Signal 2 Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Manual Trailer Brake Apply Request Switch
  • Manual Trailer Brake Apply Request Switch harness is open or shorted
  • Manual Trailer Brake Apply Request Switch circuit poor electrical connection
  • Faulty Chassis Control Module
  • Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)
  • C1117 Description

    The trailer brake control system has a control panel with the trailer gain and manual apply switches. The switches are located on the instrument panel to the left of the steering column. The control panel and switches allow you to adjust the amount of output, referred to as trailer gain, available to the electric trailer brakes and allows you to manually apply the trailer brakes. The trailer brake control panel, and switches are used along with the trailer brake display page on the driver information center to adjust and display power output to the trailer brakes.
    OBDII Code C1117 - Manual Trailer Brake Apply Request Signal 2 Malfunction - Autoodes.com

    C1117 Information for specific makes

  • C1117 BUICK Manual Trailer Brake Apply Request Signal 2 Malfunction
  • C1117 CADILLAC Manual Trailer Brake Apply Request Signal 2 Malfunction
  • C1117 CHEVROLET Manual Trailer Brake Apply Request Signal 2 Malfunction
  • C1117 GMC Manual Trailer Brake Apply Request Signal 2 Malfunction
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    C1117 Comments

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    Repair Importance Level: 3
     
    1=Low 2=Medium 3=High  
    Repair Difficulty Level: 3
     
    1=Easy 2=Moderate 3=Hard  

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