C1112 Cadillac Code - Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction
Quick Answer
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. Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C1112 Cadillac indicates Trailer Brake Signal to Trailer Brake Power Control Module Circuit Malfunction.
- Common causes
- Common causes include 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.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C1112 Cadillac Description
What are the Possible Causes of the DTC C1112 Cadillac?
- 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
How to Fix the DTC C1112 Cadillac?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1112 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about C1112 Cadillac Code
What does the OBDII code C1112 indicate for my Cadillac?
The OBDII code C1112 indicates a malfunction in the trailer brake signal to the trailer brake power control module circuit, which affects the functionality of the trailer brake system.
What are common symptoms of the C1112 code?
Common symptoms include warning lights on the dashboard, issues with trailer brakes not engaging or responding, and possible erratic braking behavior while towing.
What could cause the C1112 code to trigger?
Causes may include a faulty trailer brake control module, damaged wiring or connectors in the brake signal circuit, or issues with the vehicle’s towing harness.
How can I diagnose the C1112 code?
To diagnose the C1112 code, inspect the wiring and connectors for damage, check for continuity in the circuit, and test the trailer brake control module for proper operation.
What are some repair tips for fixing the C1112 code?
Repair tips include repairing or replacing any damaged wiring or connectors, ensuring a solid ground connection, and replacing the trailer brake control module if it is found to be faulty.
Will I be able to drive my vehicle with the C1112 code?
While you may still be able to drive your vehicle, it is not recommended to tow a trailer until the issue is resolved, as it can lead to unsafe braking conditions.
Can the C1112 code clear itself after repairs?
Yes, the C1112 code can clear itself after the underlying issue is fixed and the vehicle is driven for a short distance, but it may be necessary to manually clear it using an OBDII scanner.
Is the C1112 code serious?
Yes, the C1112 code is serious as it pertains to trailer braking functionality, which is crucial for safe towing. Immediate attention is advised to prevent potential accidents.
How much does it typically cost to repair C1112 code issues?
Repair costs can vary widely depending on the specific issue, but typical costs may range from $100 to $600, depending on whether it’s a wiring issue or a component replacement.
Can I fix the C1112 code myself?
If you have experience with automotive electrical systems, you may be able to diagnose and fix the issue yourself. Otherwise, it’s advisable to seek professional help to ensure proper repair.
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