C1112 - Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction

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

  • Faulty Trailer Brake Power Control Module
  • Trailer Brake Power Control Module harness is open or shorted
  • Trailer Brake Power Control Module circuit poor electrical connection

Possible symptoms

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

C1112 Description

The chassis control module receives inputs from the trailer brake power control module; these inputs are used to determine trailer connection and the amount of voltage supplied to the trailer brakes. The trailer brake power control module detects a short to ground, open or a short to voltage on the trailer brake control signal circuit.
OBDII Code C1112 - Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction - AutoCodes.com

C1112 Information for specific makes

  • C1112 BUICK Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
  • C1112 CADILLAC Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
  • C1112 CHEVROLET Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
  • C1112 GMC Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
  • C1112 HYUNDAI Sensor Source Voltage
  • C1112 KIA Sensor Source Voltage

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C1112 Comments

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