C1107 – OBD-II DTC

OBD-II DTC C1107 – ABS Function Enabled Input Circuit Failure

DTC C1107 meaning

DTC C1107 refers to an issue with the ABS (Anti-lock Braking System) function enabled input circuit. This code indicates that the ABS control module has detected a malfunction in the circuit that communicates the status of the ABS function. It may suggest that the system is unable to confirm whether the ABS is enabled or disabled, which can affect the vehicle’s braking performance.

DTC C1107 symptoms

Common symptoms associated with DTC C1107 may include:

• Illumination of the ABS warning light on the dashboard
• Inconsistent or erratic ABS operation
• Loss of ABS functionality
• Potential decrease in overall braking performance

DTC C1107 causes

Several factors can lead to the triggering of DTC C1107, including:

• Faulty ABS control module
• Damaged or corroded wiring in the ABS input circuit
• Loose or poor electrical connections
• Faulty wheel speed sensors
• Software issues within the ABS control module

DTC C1107 seriousness

DTC C1107 is considered a serious issue as it directly impacts the vehicle’s braking system. If the ABS is not functioning correctly, it can lead to reduced braking effectiveness, especially in slippery conditions. This can increase the risk of accidents, making it crucial to address the problem promptly.

How to diagnose DTC C1107

To diagnose DTC C1107, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1107 code.
2. Inspect the ABS control module and its connections for any visible damage or corrosion.
3. Check the wiring and connectors in the ABS input circuit for continuity and proper grounding.
4. Test the wheel speed sensors for proper operation and signal output.
5. Review the vehicle’s service history for any previous repairs related to the ABS system.

How to fix DTC C1107 step-by-step instructions

To fix DTC C1107, follow these step-by-step instructions:

1. Clear the DTC using an OBD-II scanner.
2. Inspect and repair any damaged wiring or connectors in the ABS input circuit.
3. Replace any faulty wheel speed sensors as needed.
4. Test the ABS control module for proper functionality and replace it if necessary.
5. Recheck all connections and ensure they are secure.
6. Perform a road test to verify that the ABS system is functioning correctly.

How to erase DTC C1107

To erase DTC C1107, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the diagnostic menu on the scanner and select the option to clear or erase trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to check if the code reappears.

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